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This is...Deadly 360. | 0:00:02 | 0:00:05 | |
The show that pits three of the world's deadliest predators | 0:00:05 | 0:00:09 | |
against their prey. | 0:00:09 | 0:00:10 | |
Examining their hunting strategies and escape tactics... | 0:00:10 | 0:00:14 | |
from every angle. | 0:00:14 | 0:00:17 | |
By delving beneath the fur and the feathers | 0:00:17 | 0:00:20 | |
we find out why a hunt succeeds... | 0:00:20 | 0:00:23 | |
and why they sometimes fail. | 0:00:23 | 0:00:26 | |
One thing's certain - | 0:00:26 | 0:00:27 | |
prey animals are anything BUT sitting ducks. | 0:00:27 | 0:00:31 | |
Their defensive strategies keep them alive. | 0:00:31 | 0:00:34 | |
And push predators to the limits. | 0:00:36 | 0:00:39 | |
Prepare for Deadly 360. | 0:00:40 | 0:00:42 | |
This is Deadly 360 mission control, | 0:00:44 | 0:00:48 | |
where all of today's action and analysis takes place. | 0:00:48 | 0:00:51 | |
From here we have access to some of the most enthralling hunts | 0:00:51 | 0:00:56 | |
that have ever been caught on camera. | 0:00:56 | 0:00:59 | |
I've recreated three of the most exciting | 0:00:59 | 0:01:01 | |
and analysed them from a variety of different angles and perspectives | 0:01:01 | 0:01:06 | |
in true 360-degree style. | 0:01:06 | 0:01:08 | |
The predators have to find and catch food | 0:01:08 | 0:01:10 | |
or they just won't make it. | 0:01:10 | 0:01:12 | |
In the wild, managing to survive is the greatest challenge of all. | 0:01:12 | 0:01:17 | |
I present to you...the big cats. | 0:01:17 | 0:01:20 | |
In today's line-up, we look at the world's fastest land animal, | 0:01:20 | 0:01:25 | |
the cheetah. | 0:01:25 | 0:01:27 | |
A speed merchant who lives life at a rocket's pace. | 0:01:27 | 0:01:30 | |
We also meet a group of lionesses - masters of group hunting | 0:01:30 | 0:01:35 | |
who are not afraid to tackle prey twice their size. | 0:01:35 | 0:01:39 | |
And in the forests of India, | 0:01:39 | 0:01:41 | |
the magnificent tiger who uses stealth to track down prey. | 0:01:41 | 0:01:45 | |
Three big cats, three very different hunting strategies, all deadly. | 0:01:45 | 0:01:50 | |
They look invincible | 0:01:50 | 0:01:52 | |
but there's a continual arms race going on in nature, | 0:01:52 | 0:01:55 | |
which ensures that prey animals are always evolving spectacular ways | 0:01:55 | 0:01:59 | |
of taking care of themselves. | 0:01:59 | 0:02:01 | |
Today's line-up of defenders | 0:02:01 | 0:02:04 | |
includes the gazelle - | 0:02:04 | 0:02:05 | |
an agile antelope with an incredible turn of speed. | 0:02:05 | 0:02:08 | |
And the zebra, a true master of confusion with moves to match. | 0:02:08 | 0:02:14 | |
And we analyse the deer's many moves for evasion and escape. | 0:02:14 | 0:02:18 | |
Three different prey, three different escape strategies | 0:02:19 | 0:02:23 | |
to deny the most persistent of predators. | 0:02:23 | 0:02:26 | |
I've introduced you to all of our contenders, | 0:02:26 | 0:02:29 | |
now it's time to meet our first deadly duo going head-to-head. | 0:02:29 | 0:02:33 | |
Our first competitor is a cat that is a true athlete | 0:02:36 | 0:02:39 | |
and complete speed freak. It's the cheetah. | 0:02:39 | 0:02:43 | |
And up against it, is this... | 0:02:43 | 0:02:45 | |
..the Thomson's gazelle. | 0:02:46 | 0:02:48 | |
But which animal has the edge in the race for life? | 0:02:50 | 0:02:53 | |
It's time to go Deadly 360. | 0:02:53 | 0:02:56 | |
We join the action just before the critical moment of impact. | 0:02:59 | 0:03:03 | |
This is the cheetah at full speed, hurtling across the land | 0:03:03 | 0:03:07 | |
at nearly 70 miles an hour. | 0:03:07 | 0:03:09 | |
And the gazelle is twisting and turning at speed, | 0:03:09 | 0:03:12 | |
certainly no easy meal. | 0:03:12 | 0:03:14 | |
But up against this lightning hunter, | 0:03:14 | 0:03:17 | |
it looks like the gazelle's met its match. | 0:03:17 | 0:03:19 | |
Even in a hunt like this, there are still lots of factors in play. | 0:03:19 | 0:03:23 | |
To find out why a predator might succeed or fail, | 0:03:23 | 0:03:26 | |
we need to wind back the action and build-up the entire hunt, | 0:03:26 | 0:03:30 | |
right from the beginning. | 0:03:30 | 0:03:32 | |
This hunt takes place in East Africa. | 0:03:34 | 0:03:36 | |
In the savannah of the Masai Mara. | 0:03:39 | 0:03:41 | |
This is one of the world's great wildlife hot spots | 0:03:41 | 0:03:45 | |
and it's the typical habitat for the cheetah. | 0:03:45 | 0:03:48 | |
Open plains, shrublands, but also very high temperatures. | 0:03:48 | 0:03:52 | |
These open grasslands, though, | 0:03:52 | 0:03:54 | |
allow the cheetah to get a fantastic panoramic view of their prey | 0:03:54 | 0:03:58 | |
before selecting a target. | 0:03:58 | 0:04:00 | |
And where you find wide-open grasslands | 0:04:00 | 0:04:03 | |
you find browsers and grazers, | 0:04:03 | 0:04:05 | |
including small antelope called gazelles. | 0:04:05 | 0:04:08 | |
Grazing in large herds, | 0:04:08 | 0:04:09 | |
they flock to the grassy plains where the landscape's open, | 0:04:09 | 0:04:13 | |
allowing them to feed on the short grass. | 0:04:13 | 0:04:16 | |
We've set the scene, | 0:04:16 | 0:04:17 | |
but how do these animals operate in this environment | 0:04:17 | 0:04:20 | |
and what attributes do they have | 0:04:20 | 0:04:22 | |
that tip the balance in their favour? | 0:04:22 | 0:04:25 | |
First up, the cheetah has binocular vision, | 0:04:27 | 0:04:30 | |
perfect for picking out gazelles up to three miles away. | 0:04:30 | 0:04:35 | |
Next, it's the cheetah's famous acceleration and its speed - | 0:04:35 | 0:04:39 | |
0 - 65 miles an hour in three seconds! | 0:04:39 | 0:04:42 | |
And finally, its claws - curved, sharp, lethal. | 0:04:43 | 0:04:48 | |
With all that to help it hunt, you'd think that our predator | 0:04:48 | 0:04:52 | |
would have no trouble making a kill. | 0:04:52 | 0:04:54 | |
But our prey also has some pretty nifty means of defence. | 0:04:54 | 0:04:58 | |
Gazelles can't match the speed of the cheetah | 0:04:58 | 0:05:01 | |
but they can outrun them over long distances | 0:05:01 | 0:05:04 | |
and that's down to their amazing stamina. | 0:05:04 | 0:05:07 | |
They're also excellent escape artists | 0:05:07 | 0:05:10 | |
with the ability to leap four and a half metres in a single bound | 0:05:10 | 0:05:14 | |
and make sharp turns to outmanoeuvre the cheetah. | 0:05:14 | 0:05:17 | |
So it's not going to be easy for any predator to pick off that prey. | 0:05:20 | 0:05:24 | |
That's the background - let's get the hunt underway. | 0:05:24 | 0:05:28 | |
The cheetah's spotted the herd of gazelles | 0:05:28 | 0:05:31 | |
but there's a group of 60-plus individuals | 0:05:31 | 0:05:34 | |
so first, it needs to select a target | 0:05:34 | 0:05:36 | |
and the secret to that is in its eyes. | 0:05:36 | 0:05:39 | |
The cheetah relies almost entirely on its vision | 0:05:39 | 0:05:43 | |
to track down its prey. | 0:05:43 | 0:05:44 | |
The fovea, the area at the back of the eye which gives focus, | 0:05:44 | 0:05:48 | |
is much broader than our own. | 0:05:48 | 0:05:50 | |
It gives them a panoramic view which is twice as wide as we can see. | 0:05:50 | 0:05:56 | |
They also have an amazing amount of sharp focus, | 0:05:56 | 0:05:59 | |
and can see their prey as much as three miles away. | 0:05:59 | 0:06:03 | |
In preparation for the chase, the cheetah absorbs oxygen | 0:06:03 | 0:06:06 | |
into her body, | 0:06:06 | 0:06:08 | |
through her large nostrils. | 0:06:08 | 0:06:09 | |
They can increase their breathing rate | 0:06:09 | 0:06:12 | |
up to 150 breaths per minute. | 0:06:12 | 0:06:14 | |
That's more than double that of a professional athlete. | 0:06:14 | 0:06:17 | |
OK, let's check out the start of the hunt. | 0:06:17 | 0:06:20 | |
This acceleration is extraordinary. | 0:06:20 | 0:06:23 | |
Cheetahs have been clocked going from a standing start | 0:06:23 | 0:06:26 | |
to 64 miles an hour in three seconds. | 0:06:26 | 0:06:28 | |
Look at this, it's spending as much as half of its time | 0:06:28 | 0:06:32 | |
with all four feet off the ground. | 0:06:32 | 0:06:34 | |
It's pretty much flying! | 0:06:34 | 0:06:36 | |
This is a perfect opportunity to take a look at how it does it. | 0:06:36 | 0:06:40 | |
The cheetah is much lighter for its size than any other cat. | 0:06:40 | 0:06:46 | |
The reason for that is that the bones are longer, slimmer, | 0:06:46 | 0:06:50 | |
and much more lightweight. | 0:06:50 | 0:06:51 | |
The head's very small, | 0:06:51 | 0:06:53 | |
it offers the absolute minimum of wind resistance | 0:06:53 | 0:06:56 | |
and streamlines the animal as it drives forward. | 0:06:56 | 0:06:59 | |
Now let's look at its gait. | 0:06:59 | 0:07:01 | |
It's proceeding in a series of leaps, | 0:07:01 | 0:07:04 | |
almost extending its body into a horizontal shape. | 0:07:04 | 0:07:07 | |
The way it does that is by having incredibly flexible joints, | 0:07:07 | 0:07:11 | |
here at the hips and here at the shoulders. | 0:07:11 | 0:07:14 | |
As it runs, the spine flexes almost like a bow, | 0:07:14 | 0:07:18 | |
storing up elastic energy which retracts the feet back | 0:07:18 | 0:07:21 | |
at incredible speeds, | 0:07:21 | 0:07:23 | |
driving the animal forwards. | 0:07:23 | 0:07:25 | |
Let's see all of this in action. | 0:07:25 | 0:07:27 | |
Back to the hunt, and the cheetah's at full stretch. | 0:07:31 | 0:07:34 | |
Her temperature's rising to a staggering 40 degrees centigrade. | 0:07:34 | 0:07:38 | |
If she doesn't make the kill in 300 metres or so, | 0:07:38 | 0:07:41 | |
she'll overheat and that could be fatal. | 0:07:41 | 0:07:43 | |
Every extra second that the hunt lasts works in the gazelle's favour. | 0:07:43 | 0:07:48 | |
It's dodging from side to side, zigzagging, which really helps it | 0:07:48 | 0:07:52 | |
cos the cheetah goes in a straight line | 0:07:52 | 0:07:54 | |
and this movement will put it off its stride. | 0:07:54 | 0:07:57 | |
The longer it lasts | 0:07:57 | 0:07:58 | |
the more the gazelle's endurance comes into play | 0:07:58 | 0:08:01 | |
and that's all about its heart and lungs. | 0:08:01 | 0:08:04 | |
Let's take a closer look. | 0:08:04 | 0:08:06 | |
OK, this is our gazelle. | 0:08:08 | 0:08:11 | |
The windpipe is very large. | 0:08:11 | 0:08:13 | |
This means that it can suck in much more oxygen into its body | 0:08:13 | 0:08:17 | |
as it's running. | 0:08:17 | 0:08:18 | |
That oxygen is than transferred to the blood | 0:08:18 | 0:08:21 | |
and then powered around the body | 0:08:21 | 0:08:23 | |
using this, its heart. | 0:08:23 | 0:08:25 | |
It's about double the size of other animals | 0:08:25 | 0:08:28 | |
around about as big as this gazelle is. | 0:08:28 | 0:08:31 | |
That's the engine that's going to keep this animal moving | 0:08:31 | 0:08:35 | |
and that's the important thing. | 0:08:35 | 0:08:37 | |
So, certainly not helpless. | 0:08:37 | 0:08:40 | |
Let's return to the action. | 0:08:40 | 0:08:43 | |
With time now running out, the only way for her to succeed | 0:08:46 | 0:08:50 | |
is to trip the gazelle, | 0:08:50 | 0:08:52 | |
but to do this, she's got to get very close. | 0:08:52 | 0:08:55 | |
This is really the crux point of the hunt. | 0:08:58 | 0:09:00 | |
If she's miscalculated, she could easily receive | 0:09:00 | 0:09:03 | |
a kick to the head, which could even prove fatal. | 0:09:03 | 0:09:06 | |
It's the crucial moment. | 0:09:06 | 0:09:08 | |
As the cheetah's in its final stride, she takes a swipe and... | 0:09:08 | 0:09:13 | |
the gazelle's down, she's done it! | 0:09:13 | 0:09:15 | |
But it's actually even more impressive than that. | 0:09:15 | 0:09:18 | |
If we just rewind...and then watch it back in slow motion, | 0:09:18 | 0:09:23 | |
it looks like the gazelle's legs have been taken out from under it | 0:09:23 | 0:09:27 | |
but if we zoom in, you can see, the cheetah's sharp, hooked dew claw | 0:09:27 | 0:09:31 | |
has actually slashed right into the tendons of the gazelle. | 0:09:31 | 0:09:35 | |
It's left it with a really serious injury. | 0:09:35 | 0:09:38 | |
The cheetah can now head in | 0:09:38 | 0:09:40 | |
and with a bite to the throat, suffocate the animal. | 0:09:40 | 0:09:43 | |
That is a perfect and successful hunt. | 0:09:43 | 0:09:47 | |
If you were to start from scratch | 0:09:47 | 0:09:49 | |
and design a mammal that was built for flat-out sprint speed, | 0:09:49 | 0:09:52 | |
you'd come up with something that looked like a cheetah. | 0:09:52 | 0:09:56 | |
All of those adaptations, that exquisite body shape | 0:09:56 | 0:09:59 | |
mean they can be successful in as much as 50% of their hunts. | 0:09:59 | 0:10:03 | |
The gazelle's sharp manoeuvring, stamina | 0:10:03 | 0:10:07 | |
and agility made sure he gave the cheetah the run-around. | 0:10:07 | 0:10:11 | |
But today, the cheetah's sensational speed, | 0:10:11 | 0:10:14 | |
eyesight and hooked claws made sure she got the kill. | 0:10:14 | 0:10:18 | |
Now onto our next pair of hunters, locked in a battle for survival. | 0:10:25 | 0:10:29 | |
It's the biggest of all the big cats - the tiger. | 0:10:29 | 0:10:34 | |
Reaching up to three and half metres and weighing in perhaps 300kg, | 0:10:34 | 0:10:38 | |
they really are the heavyweight of the cat world. | 0:10:38 | 0:10:40 | |
And up against it is this. | 0:10:40 | 0:10:44 | |
The chital deer. Just like the gazelle, it's swift and agile | 0:10:44 | 0:10:48 | |
and will be tricky to catch. | 0:10:48 | 0:10:50 | |
But which has the edge in the race for life? | 0:10:50 | 0:10:53 | |
It's time to go Deadly 360. | 0:10:53 | 0:10:55 | |
We join the hunt at a critical time. | 0:11:00 | 0:11:03 | |
The tiger's hurtling at full stretch towards the deer, | 0:11:03 | 0:11:06 | |
closing down the gap with every enormous stride. | 0:11:06 | 0:11:09 | |
These deer are in a race for their lives. | 0:11:11 | 0:11:14 | |
So if we freeze the action at this crucial moment, | 0:11:16 | 0:11:19 | |
who do the odds favour? The predator or the prey? | 0:11:19 | 0:11:22 | |
Well, to find out, let's take it back to the start | 0:11:22 | 0:11:25 | |
and examine the hunt in forensic detail. | 0:11:25 | 0:11:29 | |
First though, where are we? | 0:11:29 | 0:11:32 | |
From the savannahs of East Africa we're now travelling | 0:11:32 | 0:11:35 | |
to the hot, dry forests of central India. | 0:11:35 | 0:11:37 | |
That means woodland and thicker vegetation. | 0:11:37 | 0:11:40 | |
No use for a cheetah, | 0:11:40 | 0:11:42 | |
but for the tiger, this is the perfect environment. | 0:11:42 | 0:11:45 | |
It's the height of the dry season and temperatures are scorching, | 0:11:45 | 0:11:49 | |
so hunting is difficult and dangerous. | 0:11:49 | 0:11:52 | |
And this is one of its favourite meals - the chital. | 0:11:56 | 0:12:00 | |
The forests are fantastic feeding grounds for these deer. | 0:12:00 | 0:12:03 | |
They graze in large herds on the long grass and on the leaves. | 0:12:03 | 0:12:06 | |
So, that's the location. Let's meet the animals. | 0:12:09 | 0:12:12 | |
So, what are the tigers weapons? | 0:12:14 | 0:12:15 | |
Well, firstly, its distinctive coat. Its black, white and orange stripes | 0:12:15 | 0:12:20 | |
are perfect camouflage for stalking its prey. | 0:12:20 | 0:12:23 | |
Next is its power and strength, weighing up to 300kg | 0:12:23 | 0:12:27 | |
and able to jump a whopping six metres. | 0:12:27 | 0:12:30 | |
And let's not forget those teeth. | 0:12:32 | 0:12:36 | |
Long and pointed, they can pierce through flesh with frightening ease. | 0:12:36 | 0:12:40 | |
All of this makes our predator a pretty scary prospect. | 0:12:40 | 0:12:44 | |
What does our prey animal have to counter? | 0:12:44 | 0:12:47 | |
Well, this is a deer that will leap, lunge and lurch its way | 0:12:47 | 0:12:50 | |
out of danger. | 0:12:50 | 0:12:52 | |
And it may not have size or strength on its side, but it is fast. | 0:12:52 | 0:12:56 | |
With its light frame, it can reach speeds of 40mph. | 0:12:56 | 0:13:01 | |
Add to this its incredible hearing and some lookouts | 0:13:01 | 0:13:04 | |
up in the trees, and this is certainly not an easy meal. | 0:13:04 | 0:13:07 | |
So we have two very different animals. | 0:13:07 | 0:13:10 | |
But which one's going to come out top in this hunt? | 0:13:10 | 0:13:13 | |
Let's find out. | 0:13:13 | 0:13:14 | |
We join the hunt with the tiger already having spotted the deer. | 0:13:17 | 0:13:21 | |
He's using his camouflage to stay hidden and out of sight. | 0:13:22 | 0:13:25 | |
You might think that orange with black and white stripes | 0:13:25 | 0:13:29 | |
isn't great camouflage, but you can hardly see him. | 0:13:29 | 0:13:32 | |
He blends right into the grass. | 0:13:32 | 0:13:34 | |
It's this cover that's crucial for the tiger. | 0:13:34 | 0:13:37 | |
He weighs about six times as much as a cheetah, | 0:13:39 | 0:13:43 | |
so he can't sustain a sprint over longer distances. | 0:13:43 | 0:13:46 | |
Getting as close as he can before springing an attack is vital. | 0:13:46 | 0:13:49 | |
But he doesn't just use stealth to stalk his prey, | 0:13:49 | 0:13:52 | |
he also relies on his eyesight. | 0:13:52 | 0:13:55 | |
Like most predators, like the cheetah we saw, | 0:13:55 | 0:13:58 | |
tigers have binocular vision. | 0:13:58 | 0:14:00 | |
This is the part of their sight where the vision from each eye | 0:14:00 | 0:14:03 | |
overlaps and it means that they're phenomenally good | 0:14:03 | 0:14:05 | |
at judging distance and space and movement. | 0:14:05 | 0:14:08 | |
Really important when trying to creep up | 0:14:08 | 0:14:10 | |
on prey that's as sensitive as these deer. | 0:14:10 | 0:14:13 | |
The tiger's just 20 metres away, | 0:14:15 | 0:14:17 | |
but being this close needs extreme care. | 0:14:17 | 0:14:19 | |
If the tiger strays upwind of the deer, | 0:14:19 | 0:14:22 | |
they'll smell him. | 0:14:22 | 0:14:24 | |
It's so dry, that moving through this crackling grass | 0:14:24 | 0:14:27 | |
is like walking on Corn Flakes. | 0:14:27 | 0:14:29 | |
A nightmare when you're trying to keep quiet. | 0:14:29 | 0:14:32 | |
The chital deer are always alert for the possible presence of a predator | 0:14:35 | 0:14:39 | |
and maybe the most sensitive sense is their hearing. | 0:14:39 | 0:14:43 | |
Look at the size of their ears, | 0:14:43 | 0:14:45 | |
they function like satellite dishes. They have one flicking forwards | 0:14:45 | 0:14:48 | |
and the other flicking backwards, always listening out for a sound | 0:14:48 | 0:14:52 | |
that could mean danger. | 0:14:52 | 0:14:53 | |
How will our tiger have the element of surprise | 0:14:53 | 0:14:56 | |
creeping up on these animals that are listening out for it? | 0:14:56 | 0:14:59 | |
Let's take a closer look at what's going on in his body. | 0:14:59 | 0:15:02 | |
There are very few more dramatic spectacles | 0:15:05 | 0:15:07 | |
than a tiger in full flight. | 0:15:07 | 0:15:10 | |
Everything about this animal just exudes muscularity. | 0:15:10 | 0:15:14 | |
After all, a fully grown male could weigh three times more than I do. | 0:15:14 | 0:15:19 | |
It's this muscular build that allows the tiger to spring | 0:15:19 | 0:15:22 | |
from a standing start, giving it the advantage over its prey. | 0:15:22 | 0:15:26 | |
Massive muscles launch it forward at breakneck speed, | 0:15:26 | 0:15:29 | |
accelerating up to 35mph in a matter of seconds. | 0:15:29 | 0:15:33 | |
And every single leap, every bound, | 0:15:34 | 0:15:37 | |
is going to put enormous stress on its skeleton | 0:15:37 | 0:15:40 | |
so the bones are huge and a lot of that is down to shock absorption. | 0:15:40 | 0:15:44 | |
It has that wonderful flexing gait. | 0:15:45 | 0:15:48 | |
You can see the spine there is bending as it runs, | 0:15:48 | 0:15:51 | |
the legs are extending out | 0:15:51 | 0:15:52 | |
in quite a similar method to the cheetah. | 0:15:52 | 0:15:55 | |
But if we compare the two, | 0:15:55 | 0:15:57 | |
it's much more slender, much more fragile. | 0:15:57 | 0:16:01 | |
In fact, the cheetah could be a tenth of the body weight of a tiger. | 0:16:01 | 0:16:05 | |
So, while the cheetah is built to be able to maintain its chase | 0:16:06 | 0:16:10 | |
over several hundreds metres, | 0:16:10 | 0:16:12 | |
all of this size, bulk, power, | 0:16:12 | 0:16:15 | |
muscularity of the tiger comes with a price. | 0:16:15 | 0:16:18 | |
If the chase isn't going to be over almost instantaneously, | 0:16:18 | 0:16:21 | |
the tiger is simply going to have to give up. | 0:16:21 | 0:16:25 | |
Right, back to the hunt. | 0:16:25 | 0:16:27 | |
This is the critical moment. | 0:16:27 | 0:16:30 | |
One wrong move now and it's all over. | 0:16:30 | 0:16:32 | |
The tiger edges slowly forward, | 0:16:32 | 0:16:35 | |
but in doing so reveals his location. | 0:16:35 | 0:16:38 | |
He's been detected by the monkeys and the deer. The alarm's raised. | 0:16:38 | 0:16:42 | |
Now everyone's on high alert. | 0:16:42 | 0:16:46 | |
Preparing for escape, the deer's body creates | 0:16:46 | 0:16:48 | |
chemicals like adrenalin | 0:16:48 | 0:16:50 | |
and the brain sends signals to the heart to start pumping more blood | 0:16:50 | 0:16:54 | |
to the muscles so she's ready for her exertion. | 0:16:54 | 0:16:57 | |
She's ready to go, the chase is on. | 0:16:57 | 0:16:59 | |
The deer are off, bursting out of the blocks like sprinters. | 0:17:00 | 0:17:05 | |
Their fantastic acceleration | 0:17:05 | 0:17:07 | |
gives them a split second head start over the tiger. | 0:17:07 | 0:17:10 | |
The deer are capable of going from standing around feeding | 0:17:10 | 0:17:14 | |
to 40mph in a matter of seconds. But how do they manage that? | 0:17:14 | 0:17:18 | |
Most of the deer's propulsion is coming from its back legs. | 0:17:18 | 0:17:22 | |
This is the where the muscle bulk is located. | 0:17:22 | 0:17:24 | |
But also running down the back of those legs | 0:17:24 | 0:17:27 | |
are springy elastic tendons. | 0:17:27 | 0:17:29 | |
Every time the deer lands, it stores up energy in those, | 0:17:29 | 0:17:33 | |
which it then releases as it springs away. | 0:17:33 | 0:17:35 | |
Almost like a bouncing rubber ball. It's certainly very impressive. | 0:17:35 | 0:17:39 | |
Right, back to the hunt. | 0:17:39 | 0:17:41 | |
We're now in the final moments of the chase | 0:17:43 | 0:17:45 | |
and the tiger's flat out, using his massive strength and power | 0:17:45 | 0:17:48 | |
to close the gap on the deer. | 0:17:48 | 0:17:50 | |
He's covering enormous ground in a series of linked jumps. | 0:17:50 | 0:17:54 | |
And each one of those leaps could be as much as six metres long, | 0:17:56 | 0:18:00 | |
which is like me jumping the length of a small bus. | 0:18:00 | 0:18:03 | |
As the tiger gets to within reach, the deer's speed and agility kick in | 0:18:05 | 0:18:09 | |
and they pull away. | 0:18:09 | 0:18:11 | |
At this critical point, the tiger doesn't have the stamina to keep up. | 0:18:11 | 0:18:16 | |
His massive bulk and weight drags his speed down. | 0:18:16 | 0:18:18 | |
He cannot catch the deer and has to resign. | 0:18:18 | 0:18:20 | |
There are so many different variables to consider | 0:18:24 | 0:18:27 | |
when you're looking at a tiger hunt. The wind, weather, | 0:18:27 | 0:18:30 | |
surrounding vegetation, the prey animal. | 0:18:30 | 0:18:32 | |
It's impossible to determine what the success rate will be. | 0:18:32 | 0:18:36 | |
That can vary from 50% success, which is pretty good, | 0:18:36 | 0:18:39 | |
right down to just 5% success and this time our tiger did not succeed. | 0:18:39 | 0:18:44 | |
So, the tiger may have camouflage, | 0:18:45 | 0:18:48 | |
power and super-sharp teeth... | 0:18:48 | 0:18:51 | |
..but today, the deer's speed, athletic agility | 0:18:55 | 0:18:59 | |
and keen hearing gave it the edge and left the tiger for dust. | 0:18:59 | 0:19:02 | |
This is our last deadly duo locked in a battle for life or death. | 0:19:07 | 0:19:11 | |
This is the iconic lion. | 0:19:12 | 0:19:16 | |
It can approach the size of the tiger in terms of size, | 0:19:16 | 0:19:20 | |
weighing as much as three men. And up against it is this. | 0:19:20 | 0:19:23 | |
The unmistakable zebra. | 0:19:23 | 0:19:25 | |
But which has the edge in the race for life? | 0:19:27 | 0:19:30 | |
It's time to go Deadly 360. | 0:19:30 | 0:19:33 | |
So, once again, we pick up this hunt in the final stages, | 0:19:38 | 0:19:41 | |
as the lions zip towards their prey. | 0:19:41 | 0:19:45 | |
zebras are masters of confusion, | 0:19:45 | 0:19:47 | |
but right now it looks like they're in serious trouble. | 0:19:47 | 0:19:52 | |
OK, it's just about to leap. | 0:19:52 | 0:19:55 | |
But by now, you know there's a lot more to a hunt | 0:19:55 | 0:19:58 | |
than just the final strike. | 0:19:58 | 0:20:00 | |
What are the hidden factors | 0:20:00 | 0:20:01 | |
that influence what will happen in the next few seconds? | 0:20:01 | 0:20:04 | |
To find out, we need to wind back to the start | 0:20:04 | 0:20:07 | |
and dissect the hunt. | 0:20:07 | 0:20:09 | |
First, though, where's this drama taking place? | 0:20:10 | 0:20:15 | |
We're going back to the savannah of East Africa and to the Masai Mara | 0:20:15 | 0:20:19 | |
but this time we're heading close to the Mara River. | 0:20:19 | 0:20:21 | |
This is prime hunting territory for lions. | 0:20:24 | 0:20:27 | |
Lions are the most social of the cat family, | 0:20:27 | 0:20:29 | |
living in prides of up to 40 animals. | 0:20:29 | 0:20:32 | |
Hunting is done together as a pride, | 0:20:32 | 0:20:34 | |
but the lionesses do the majority of the hunting, | 0:20:34 | 0:20:37 | |
being lighter and more agile. | 0:20:37 | 0:20:39 | |
These areas of the savannah | 0:20:39 | 0:20:41 | |
are alive with mammals like zebra. | 0:20:41 | 0:20:44 | |
Zebra live in large herds | 0:20:44 | 0:20:46 | |
moving across the grasslands in search of food and water. | 0:20:46 | 0:20:50 | |
But this dependency on water makes them vulnerable to predators. | 0:20:50 | 0:20:54 | |
So, that's the scene set. | 0:20:55 | 0:20:57 | |
Let's have a look at some of our predator's attributes. | 0:20:57 | 0:21:00 | |
Firstly, the lion's power and strength. | 0:21:00 | 0:21:04 | |
Pretty handy when your prey is twice your size. | 0:21:04 | 0:21:06 | |
Next, hunting in groups, using intelligent team tactics. | 0:21:08 | 0:21:13 | |
Add to that short, powerful jaws with fearsome crushing power | 0:21:13 | 0:21:16 | |
and this is one top cat! | 0:21:16 | 0:21:18 | |
It looks like we're dealing with a sophisticated hunter. | 0:21:21 | 0:21:24 | |
How on earth can the prey stay out of this predator's clutches? | 0:21:24 | 0:21:27 | |
Maybe a zebra's most valuable weapon | 0:21:31 | 0:21:33 | |
is their black and white stripes. | 0:21:33 | 0:21:35 | |
Camouflage at its most confusing. | 0:21:35 | 0:21:37 | |
And next, their speed. | 0:21:38 | 0:21:40 | |
They can accelerate up to 35 miles an hour | 0:21:40 | 0:21:43 | |
and have superior stamina over longer distances. | 0:21:43 | 0:21:46 | |
And last, their hard-hitting hooves, | 0:21:47 | 0:21:49 | |
delivering a punch that can injure and potentially kill an attacker. | 0:21:49 | 0:21:54 | |
So our predator's going to find it pretty difficult | 0:21:54 | 0:21:57 | |
to get anywhere near this prey. | 0:21:57 | 0:21:59 | |
Let's see what happens. | 0:21:59 | 0:22:01 | |
We join the hunt. | 0:22:01 | 0:22:02 | |
The lionesses have already spotted the zebra at the watering hole | 0:22:02 | 0:22:06 | |
but they're keeping out of sight. | 0:22:06 | 0:22:08 | |
Much like the tiger, the lion is all about muscularity. | 0:22:10 | 0:22:14 | |
It needs the hunt to be short, sharp, decisive. | 0:22:14 | 0:22:17 | |
If we look at the action from above... | 0:22:17 | 0:22:20 | |
You can see the lionesses | 0:22:21 | 0:22:23 | |
moving silently towards the zebra, | 0:22:23 | 0:22:25 | |
taking up a horseshoe formation around it. | 0:22:25 | 0:22:28 | |
This is a perfect ambush. | 0:22:28 | 0:22:30 | |
They're all experienced hunters | 0:22:30 | 0:22:32 | |
and know instinctively where the other animals will be. | 0:22:32 | 0:22:35 | |
Now just look at this sinuous movement. | 0:22:35 | 0:22:39 | |
The lioness is the master of stalking, | 0:22:39 | 0:22:41 | |
perfectly adapted for creeping low along the ground. | 0:22:41 | 0:22:46 | |
OK, let's see how it manages to do that. | 0:22:46 | 0:22:48 | |
A lion's eyes are set high on its head, | 0:22:48 | 0:22:51 | |
so even when it's crawling along on its belly, it can still see. | 0:22:51 | 0:22:54 | |
Just fantastic. | 0:22:54 | 0:22:56 | |
If we go back to our aerial view, | 0:22:56 | 0:22:59 | |
we can see their stalking skills | 0:22:59 | 0:23:01 | |
have got them in an ambush position around the zebra. | 0:23:01 | 0:23:04 | |
But although all the lionesses need to work together as a team to hunt, | 0:23:04 | 0:23:08 | |
they only need one individual | 0:23:08 | 0:23:10 | |
to bring down a zebra. | 0:23:10 | 0:23:12 | |
Let's think about what's going on here. | 0:23:12 | 0:23:14 | |
The lion needs to get really close | 0:23:14 | 0:23:16 | |
to allow its spring and acceleration to come into play. | 0:23:16 | 0:23:19 | |
But look at the size of these zebras. This is a powerful animal. | 0:23:19 | 0:23:23 | |
To bring one of these down, you need to be really strong. | 0:23:23 | 0:23:26 | |
So what physical attributes does the lion have | 0:23:26 | 0:23:30 | |
that makes all this possible? | 0:23:30 | 0:23:31 | |
This is an animal that kills through brute force, | 0:23:31 | 0:23:34 | |
and this skull is just massive. | 0:23:34 | 0:23:38 | |
The most obvious thing to say about it is, it's incredibly heavy. | 0:23:38 | 0:23:43 | |
That's because it has very, very thick bone, | 0:23:43 | 0:23:46 | |
particularly here, encasing and protecting the brain, | 0:23:46 | 0:23:49 | |
also here at the jaw. | 0:23:49 | 0:23:51 | |
But when it comes to the final bite, | 0:23:51 | 0:23:54 | |
it has these at its disposal. | 0:23:54 | 0:23:57 | |
Look at the size of those canine teeth. | 0:23:57 | 0:23:59 | |
They're pretty much the size of my thumbs. | 0:23:59 | 0:24:02 | |
Very broad, long, and pointed at the end. | 0:24:02 | 0:24:05 | |
This gives it the advantage that the lion can make a killing blow | 0:24:05 | 0:24:08 | |
almost anywhere on its opponent. | 0:24:08 | 0:24:10 | |
So with all that in mind, | 0:24:10 | 0:24:12 | |
let's go back to the hunt. | 0:24:12 | 0:24:14 | |
The lionesses are ready to strike. | 0:24:16 | 0:24:19 | |
Prepare for a masterclass in teamwork. | 0:24:19 | 0:24:22 | |
In a split second, the lead lionesses take off, | 0:24:23 | 0:24:26 | |
getting up to 35 miles an hour in seconds. | 0:24:26 | 0:24:29 | |
But with the zebra now in motion, | 0:24:29 | 0:24:31 | |
the lionesses have to pick one out on the run | 0:24:31 | 0:24:34 | |
and that's not going to be easy. | 0:24:34 | 0:24:36 | |
The zebra's distinctive black and white striped colouration | 0:24:39 | 0:24:43 | |
looks dramatic, even beautiful, but believe it or not, | 0:24:43 | 0:24:46 | |
it's one of its chief defences against lions. | 0:24:46 | 0:24:48 | |
I'll show you how it works. | 0:24:48 | 0:24:50 | |
A lion's colour vision is nothing like as good as our own. | 0:24:53 | 0:24:57 | |
This is what a lion would see if looking at a herd on the horizon. | 0:24:57 | 0:25:00 | |
It's pretty confusing. | 0:25:00 | 0:25:01 | |
So for a start, these animals are much more likely | 0:25:01 | 0:25:04 | |
to blend into the wavy lines of the grasses of their background. | 0:25:04 | 0:25:08 | |
But it's much more than that. | 0:25:08 | 0:25:10 | |
Once a zebra herd starts a stampede, | 0:25:10 | 0:25:12 | |
it's almost impossible for a lion to pick out an individual animal, | 0:25:12 | 0:25:16 | |
and that's a very important part of the lion's hunting strategy. | 0:25:16 | 0:25:19 | |
Let's see how this drama plays out. | 0:25:19 | 0:25:22 | |
The lionesses are in pursuit of the zebra. | 0:25:26 | 0:25:29 | |
This senior lioness singles one out from the group and heads in on it. | 0:25:29 | 0:25:33 | |
With the zebra isolated, its striped defence is useless | 0:25:34 | 0:25:37 | |
and the lioness seizes her opportunity. | 0:25:37 | 0:25:39 | |
Ooh! That was nasty. | 0:25:43 | 0:25:45 | |
Let's just check that out again. | 0:25:45 | 0:25:47 | |
OK, you can see now the lioness has chosen her target, | 0:25:47 | 0:25:50 | |
but at the last second, | 0:25:50 | 0:25:52 | |
it's a total miscalculation. | 0:25:52 | 0:25:54 | |
It looks like she's heading for the rump, but instead | 0:25:54 | 0:25:56 | |
she's ended up getting kicked | 0:25:56 | 0:25:58 | |
and then trampled. | 0:25:58 | 0:25:59 | |
This could be really, really serious. | 0:25:59 | 0:26:01 | |
Like all members of the horse family, | 0:26:01 | 0:26:04 | |
zebras have phenomenally powerful kicks. | 0:26:04 | 0:26:06 | |
They could easily fracture a lion's skull, | 0:26:06 | 0:26:09 | |
perhaps cause an injury that could eventually kill them. | 0:26:09 | 0:26:12 | |
So really, this time it looks like she's escaped pretty well. | 0:26:12 | 0:26:16 | |
Right, back to the hunt. | 0:26:16 | 0:26:18 | |
While the first lioness recovers, | 0:26:20 | 0:26:22 | |
another takes up the chase, | 0:26:22 | 0:26:24 | |
coming in from a different angle. | 0:26:24 | 0:26:28 | |
She blindsides the panicked, fleeing animal, | 0:26:28 | 0:26:30 | |
engages her retractable claws, | 0:26:30 | 0:26:32 | |
hooking into and holding onto the prey. | 0:26:32 | 0:26:35 | |
Now the difficult part. She has to use all her power and strength | 0:26:35 | 0:26:39 | |
to overwhelm the zebra. | 0:26:39 | 0:26:40 | |
But after just a few seconds, | 0:26:40 | 0:26:43 | |
she's successful, and delivers her killer bite. | 0:26:43 | 0:26:47 | |
Although working together in a pride | 0:26:51 | 0:26:53 | |
means food has to be shared at the end of the day, | 0:26:53 | 0:26:55 | |
this is a much more effective way of catching prey. | 0:26:55 | 0:26:59 | |
It's reckoned the odds are 1 in 3 if you're working together as a group | 0:26:59 | 0:27:03 | |
and 1 in 5 when working alone. | 0:27:03 | 0:27:05 | |
So ultimately, the pride is more successful. | 0:27:05 | 0:27:08 | |
The zebra's defensive strategy | 0:27:08 | 0:27:10 | |
of deceptive design, | 0:27:10 | 0:27:12 | |
swift speed and a killer kick | 0:27:12 | 0:27:15 | |
paid off initially. | 0:27:15 | 0:27:16 | |
But with their incredible muscle power, | 0:27:18 | 0:27:20 | |
lethal jaws | 0:27:20 | 0:27:22 | |
and tactical teamwork, | 0:27:22 | 0:27:24 | |
the lionesses were eventually successful. | 0:27:24 | 0:27:27 | |
The big cats are probably the most iconic and exciting of all predators | 0:27:30 | 0:27:35 | |
and whether they're killing in a flat-out foot race, | 0:27:35 | 0:27:38 | |
from a silent ambush, or working together as a team, | 0:27:38 | 0:27:41 | |
their predatory skills are simply not in question. | 0:27:41 | 0:27:44 | |
That's all we've got time for. | 0:27:44 | 0:27:46 | |
Join us next time, as three more pairs of animals go head to head | 0:27:46 | 0:27:50 | |
and we analyse the action Deadly 360 style. | 0:27:50 | 0:27:53 | |
Subtitles by Red Bee Media Ltd | 0:28:05 | 0:28:07 | |
E-mail [email protected] | 0:28:07 | 0:28:09 |