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Some people will go to any lengths. | 0:00:02 | 0:00:05 | |
It's going to get very deep. It's a bit deeper than I thought. | 0:00:05 | 0:00:09 | |
They will push themselves physically in the pursuit of their passion... | 0:00:09 | 0:00:13 | |
You are covered in grot. | 0:00:13 | 0:00:15 | |
They do it for love, not money. | 0:00:15 | 0:00:18 | |
This is the bit that gives me the willies, where you tip yourself over the edge. | 0:00:18 | 0:00:22 | |
They're all British amateur naturalists | 0:00:22 | 0:00:25 | |
whose love of animals has taken them to extremes. | 0:00:25 | 0:00:29 | |
Oooh! He's taking blood. | 0:00:29 | 0:00:32 | |
Four people, four creatures, four inspiring stories. | 0:00:32 | 0:00:36 | |
Once upon a time, there were two young kids, | 0:01:01 | 0:01:04 | |
that decided for some unknown reason, to organise trips out to Sule Skerry. | 0:01:04 | 0:01:09 | |
Sule Skerry is a desolate, fairly featureless rock, | 0:01:09 | 0:01:13 | |
40 miles off the north coast of Scotland. | 0:01:13 | 0:01:16 | |
For Adrian and his good friend Dave, it's a holiday paradise. | 0:01:16 | 0:01:21 | |
It takes six hours by boat to get here, | 0:01:21 | 0:01:24 | |
four hours to unload, | 0:01:24 | 0:01:28 | |
and then...they are camping. | 0:01:28 | 0:01:31 | |
For them, it's worth all this trouble... | 0:01:31 | 0:01:33 | |
to study puffins. | 0:01:33 | 0:01:35 | |
We first came to Sule Skerry in 1975. | 0:01:41 | 0:01:44 | |
And the place was magical. We just couldn't get over the aura of it. | 0:01:44 | 0:01:50 | |
I don't think we went to bed for about two-and-a-half days. | 0:01:50 | 0:01:53 | |
We kept going and going until we virtually dropped, didn't we? | 0:01:53 | 0:01:57 | |
That's right. | 0:01:57 | 0:01:58 | |
We made full use of the options. | 0:01:58 | 0:02:00 | |
Work colleagues will ask me, "what sort of accommodation have you got?" | 0:02:02 | 0:02:07 | |
How many star hotel it's got, and when it's in a tent | 0:02:07 | 0:02:11 | |
with a stream running under the tent because there's that much rain | 0:02:11 | 0:02:14 | |
you have to dig a dyke to let the water through, | 0:02:14 | 0:02:17 | |
they wonder what the hell you're doing that for. | 0:02:17 | 0:02:19 | |
At 5 o'clock in the morning, Dave and Adrian's | 0:02:20 | 0:02:23 | |
12-strong team of volunteers are already up and busy. | 0:02:23 | 0:02:27 | |
By catching the puffins, | 0:02:27 | 0:02:30 | |
the team can keep an eye on how the population is doing. | 0:02:30 | 0:02:33 | |
Ringing them identifies individual birds. | 0:02:33 | 0:02:38 | |
Naughty boy. | 0:02:38 | 0:02:40 | |
A lot of people ask me if the the netting hurts the puffins | 0:02:42 | 0:02:49 | |
but it's usually the other way round. | 0:02:49 | 0:02:51 | |
Puffins make a mess of the nets. | 0:02:51 | 0:02:54 | |
Puffins are not aware that they have a secret weapon. | 0:02:54 | 0:02:56 | |
It's called a claw. | 0:02:56 | 0:02:58 | |
They are trying to attack you all the time with the bill, | 0:02:58 | 0:03:01 | |
but thing that really does the damage is the feet. | 0:03:01 | 0:03:06 | |
I know, it's a rum do. | 0:03:06 | 0:03:08 | |
They were thought, and still are thought, to be indicators of the sea. | 0:03:08 | 0:03:12 | |
The state of the sea and the fish stocks. | 0:03:12 | 0:03:14 | |
If the fish stocks are good, the sea birds tend to be good. | 0:03:14 | 0:03:19 | |
This is a younger bird. | 0:03:19 | 0:03:21 | |
These birds are just essentially none-breeders, | 0:03:21 | 0:03:24 | |
wandering the colonies to see what their options are. | 0:03:24 | 0:03:28 | |
INDISTINCT SPEECH | 0:03:28 | 0:03:32 | |
Well over half the puffins ever ringed in the United Kingdom | 0:03:33 | 0:03:38 | |
have been ringed on this island. | 0:03:38 | 0:03:40 | |
For a long-term survival study, | 0:03:44 | 0:03:46 | |
you get a good number of birds, individuals. | 0:03:46 | 0:03:50 | |
It's the ideal place to do it. | 0:03:50 | 0:03:52 | |
All right, mate. | 0:03:59 | 0:04:01 | |
In 2007, Adrian and Dave were delighted to capture a bird | 0:04:07 | 0:04:11 | |
that they had originally ringed on that first trip in 1975. | 0:04:11 | 0:04:15 | |
That makes it the oldest known British puffin. | 0:04:15 | 0:04:19 | |
With some of the team's tasks, the worst you have to endure | 0:04:22 | 0:04:26 | |
is getting cold, wet and pecked by puffins. | 0:04:26 | 0:04:29 | |
But some tasks are trickier still. | 0:04:29 | 0:04:32 | |
There are thousands of puffins here | 0:04:32 | 0:04:36 | |
but they nest underground, so to see how they are doing down there, | 0:04:36 | 0:04:40 | |
you have to get up to your armpits in mud. | 0:04:40 | 0:04:43 | |
The idea is that you mark out, in a random way, | 0:04:43 | 0:04:46 | |
a circle of a given area. | 0:04:46 | 0:04:49 | |
You don't view your position in advance because that would | 0:04:51 | 0:04:55 | |
tend to cause you to choose a bit that was maybe convenient. | 0:04:55 | 0:04:59 | |
You, in effect, almost shut your eyes and walk the paces. | 0:04:59 | 0:05:03 | |
Once they've staked out their circle, | 0:05:05 | 0:05:08 | |
one of them put their hand down every burrow to see what they find. | 0:05:08 | 0:05:12 | |
They have a name for this. | 0:05:17 | 0:05:19 | |
It's called grotting. | 0:05:19 | 0:05:21 | |
It's descriptive because it leaves you covered in grot. | 0:05:21 | 0:05:24 | |
The soils are sticky and they cling to your skin | 0:05:24 | 0:05:29 | |
when you get in contact with them | 0:05:29 | 0:05:31 | |
so when you've finished, you're grotty. | 0:05:31 | 0:05:34 | |
A single adult here. | 0:05:34 | 0:05:36 | |
Some have got chicks him, some have just got adults in, | 0:05:36 | 0:05:39 | |
non-breeders, as they're just playing at it. | 0:05:39 | 0:05:41 | |
Some, you can't get to the bottom of. | 0:05:41 | 0:05:45 | |
And then from that area, you can scale it to the size of the island | 0:05:47 | 0:05:51 | |
to get a first order estimate of the population. | 0:05:51 | 0:05:55 | |
And how did you two come to be here together? | 0:05:57 | 0:06:00 | |
He owed me some money and he wouldn't pay | 0:06:00 | 0:06:02 | |
so I followed him everywhere! | 0:06:02 | 0:06:04 | |
That's his answer. The proper answer is, it has to be said, | 0:06:04 | 0:06:08 | |
we complement each other because we operate in slightly different manners | 0:06:08 | 0:06:13 | |
and it's good to have two people doing that. | 0:06:13 | 0:06:15 | |
And we sort of complemented each other at getting in there. | 0:06:15 | 0:06:18 | |
It wasn't one person taking the other one along, | 0:06:18 | 0:06:21 | |
we just went into it. | 0:06:21 | 0:06:23 | |
-What we got in that lot? -Six with adults and nothing else, | 0:06:40 | 0:06:44 | |
eight empty, and seven with chicks. | 0:06:44 | 0:06:47 | |
I only found one little fish, which I reckon is unusual. | 0:06:47 | 0:06:51 | |
'There definitely seems to be a problem now with the fish. | 0:06:51 | 0:06:56 | |
'Certainly, in the last two years, | 0:06:56 | 0:06:58 | |
'they are not doing too well, which is very worrying, really.' | 0:06:58 | 0:07:02 | |
A little chick. How old do you reckon, Dave? | 0:07:02 | 0:07:04 | |
-Two or three weeks. -We call them pufflings. | 0:07:04 | 0:07:08 | |
Pufflings are in the front line of the fish problem. | 0:07:08 | 0:07:11 | |
The sand eels they need are disappearing, | 0:07:11 | 0:07:14 | |
forcing the parents to choose pike fish instead. | 0:07:14 | 0:07:18 | |
It's thought the sand eels may be moving north due to global-warming. | 0:07:18 | 0:07:23 | |
The nest is strewn with pike fish, look, | 0:07:23 | 0:07:26 | |
which is the issue we are having now. | 0:07:26 | 0:07:29 | |
There's hardly any food value in them, no fat, | 0:07:29 | 0:07:31 | |
and he can't swallow them. | 0:07:31 | 0:07:33 | |
They finish up being left in the nest. | 0:07:33 | 0:07:35 | |
The birds are effectively starving, they are not getting enough | 0:07:35 | 0:07:39 | |
of the normal fish species, which is the sand eel. | 0:07:39 | 0:07:42 | |
To say I'm quite worried about the population | 0:07:44 | 0:07:47 | |
is probably an underestimation. | 0:07:47 | 0:07:49 | |
The long-term nature of their puffin work means they can spot changes. | 0:07:51 | 0:07:56 | |
We've got so much data that it's very difficult to analyse it physically, | 0:07:56 | 0:08:02 | |
so we are seeking help with computer buffs to help us to do it. | 0:08:02 | 0:08:08 | |
When we finish, which can't be too far away from the horizon. I mean, | 0:08:11 | 0:08:14 | |
I've got to be honest about it, we can't keep coming for ever and ever, | 0:08:14 | 0:08:18 | |
the years go on, | 0:08:18 | 0:08:20 | |
but I would like to think that the project that we started | 0:08:20 | 0:08:24 | |
keeps going well into the future. | 0:08:24 | 0:08:26 | |
And maybe we'll read about it | 0:08:26 | 0:08:29 | |
when we're just about getting around on a stick. | 0:08:29 | 0:08:31 | |
Dave and Adrian's work has produced a valuable picture | 0:08:31 | 0:08:35 | |
of the island's puffins over the last 30 years. | 0:08:35 | 0:08:39 | |
Finding the oldest British puffin is a great high. | 0:08:39 | 0:08:42 | |
But worries about sand eels echo a wider concern | 0:08:44 | 0:08:48 | |
about the effects of global-warming on our seabirds. | 0:08:48 | 0:08:51 | |
For Adrian and Dave, the lure of puffins | 0:08:54 | 0:08:56 | |
draws them inexorably back to Sule Skerry. | 0:08:56 | 0:09:00 | |
For another amateur naturalist, the twists and turns of his beloved bird | 0:09:01 | 0:09:06 | |
have led him a merry dance of thousands of miles. | 0:09:06 | 0:09:10 | |
The peregrine falcon going full tilt, | 0:09:10 | 0:09:13 | |
which is about 170 miles an hour, | 0:09:13 | 0:09:15 | |
didn't see me and came past my ear about nine inches away, | 0:09:15 | 0:09:18 | |
like an express train going past your ear. | 0:09:18 | 0:09:21 | |
That's one of those experiences in life you can never repeat | 0:09:21 | 0:09:26 | |
and it's worth it all. | 0:09:26 | 0:09:28 | |
Jim Wells has been studying peregrines | 0:09:28 | 0:09:31 | |
since he was 17 years old. | 0:09:31 | 0:09:34 | |
Going after peregrine's takes you | 0:09:35 | 0:09:37 | |
to the most dramatic and beautiful scenery in Northern Ireland, | 0:09:37 | 0:09:41 | |
so even if you see nothing, in terms of birds, | 0:09:41 | 0:09:43 | |
you go to some fascinating places. | 0:09:43 | 0:09:45 | |
Jim knows the location of every peregrine nest in Northern Ireland. | 0:09:45 | 0:09:50 | |
This is by far and away | 0:09:50 | 0:09:52 | |
one of our most successful sites in Northern Ireland. | 0:09:52 | 0:09:55 | |
I have been coming here, every year, | 0:09:55 | 0:09:58 | |
31 years, and it has only failed once to produce young. | 0:09:58 | 0:10:02 | |
Believe it or not, there's a nest with three chicks up there. | 0:10:05 | 0:10:09 | |
The problem is, the mist has come down. | 0:10:09 | 0:10:12 | |
Not even using this telescope can I see what is going on. | 0:10:12 | 0:10:15 | |
I can't see a thing. | 0:10:15 | 0:10:17 | |
It's a bit unfortunate. | 0:10:17 | 0:10:19 | |
One day, I came home and the police were waiting for me | 0:10:19 | 0:10:22 | |
and said that I'd been seen in Fermanagh with a rocket launcher. | 0:10:22 | 0:10:26 | |
I had to explain to them, no, it was an expensive lens. | 0:10:26 | 0:10:29 | |
HE SINGS | 0:10:29 | 0:10:31 | |
Jim is used having to explain himself. | 0:10:31 | 0:10:35 | |
He leads a double life. | 0:10:35 | 0:10:37 | |
THEY SHOUT | 0:10:37 | 0:10:39 | |
He's been involved in Northern Irish politics | 0:10:39 | 0:10:43 | |
since he was a student, and he is now a DUP politician. | 0:10:43 | 0:10:48 | |
If you want to make a politician go quiet, | 0:10:48 | 0:10:51 | |
ask him what his interests are outside of politics, | 0:10:51 | 0:10:53 | |
and he will stare at his toes, but I don't. | 0:10:53 | 0:10:56 | |
I have this fascinating interest which is all-consuming at times. | 0:10:56 | 0:11:00 | |
When I'm up the mountains, I switch off | 0:11:00 | 0:11:02 | |
of all the hassle and bother of being a politician. | 0:11:02 | 0:11:05 | |
Jim is not alone in his passion for peregrines. | 0:11:06 | 0:11:09 | |
His accomplice, Mark, often joins him in the field. | 0:11:09 | 0:11:12 | |
Mark is much younger than I am | 0:11:14 | 0:11:16 | |
so it is a good combination of youth and experience, I think. | 0:11:16 | 0:11:19 | |
You can see we've got a female coming in. | 0:11:19 | 0:11:24 | |
-I don't like the look of this. -They're ready to go, Jim. | 0:11:24 | 0:11:28 | |
-Mummy doesn't like us here. -No, she's obviously not too happy. | 0:11:28 | 0:11:33 | |
Move away. | 0:11:35 | 0:11:37 | |
What's kept me hooked has been the ebbs and flows of the population. | 0:11:39 | 0:11:43 | |
There's always been a twist keeping me interested in the species. | 0:11:43 | 0:11:47 | |
When Jim first started studying peregrines, | 0:11:48 | 0:11:51 | |
they were in a terrible state. | 0:11:51 | 0:11:53 | |
Pesticides like DDT had devastated the population. | 0:11:53 | 0:11:58 | |
No sooner had they started to recover from this, | 0:11:58 | 0:12:01 | |
than they began to be persecuted by pigeon fanciers. | 0:12:01 | 0:12:05 | |
Luckily, there are some positive trends, as well. | 0:12:05 | 0:12:08 | |
One of the interesting things is, over the 31 years, | 0:12:12 | 0:12:15 | |
there's been a move into quarries. | 0:12:15 | 0:12:17 | |
I found the first quarry-nesting pair in Northern Ireland in 1978. | 0:12:17 | 0:12:21 | |
We now had 62 separate quarries occupied. | 0:12:21 | 0:12:25 | |
The rock's not too bad. Maybe they are getting relatively sheltered. | 0:12:25 | 0:12:29 | |
There she goes. My favourite noise. | 0:12:29 | 0:12:32 | |
They are both present, no problem at all. | 0:12:32 | 0:12:35 | |
This is where things get really extreme. | 0:12:37 | 0:12:39 | |
Jim and Mark are going to try and ring the chicks, | 0:12:39 | 0:12:43 | |
and this means abseiling over the edge of the cliff to get to them. | 0:12:43 | 0:12:47 | |
The drop is 200 feet. | 0:12:50 | 0:12:53 | |
But this time, it's not at all straightforward. | 0:12:53 | 0:12:57 | |
It's quite badly overhung, the cliff. | 0:12:57 | 0:13:00 | |
While Mark prepares, Jim takes up position at the base of the cliff. | 0:13:01 | 0:13:06 | |
He's gonna have to swing himself out, come back in off the cliff | 0:13:12 | 0:13:16 | |
and grab it and see if he can get a foothold. | 0:13:16 | 0:13:19 | |
You need to bring the rope a bit more this way. | 0:13:23 | 0:13:26 | |
That's as far as it's gonna go, | 0:13:26 | 0:13:28 | |
-otherwise I'm running over three edges that'll slice the rope. -Right. | 0:13:28 | 0:13:32 | |
-It's gonna be dictated by what I can stand on, then. -Yeah. | 0:13:32 | 0:13:35 | |
This is the bit that gives me the willies. | 0:13:35 | 0:13:38 | |
It's not the going down, it's where you tip yourself over the edge. | 0:13:38 | 0:13:41 | |
He is the action man figure, the bionic man, | 0:13:59 | 0:14:02 | |
who will go down some huge cliff on a rope. | 0:14:02 | 0:14:04 | |
I would only attempt the very smallest of cliffs. | 0:14:06 | 0:14:09 | |
I used to when I was much younger, but I'm past that stage in life. | 0:14:09 | 0:14:12 | |
BIRDS SQUAWK | 0:14:12 | 0:14:15 | |
Three big females, Jim. | 0:14:20 | 0:14:21 | |
Right. | 0:14:21 | 0:14:23 | |
It only maybe a foot wide, so it's actually, for four chicks, | 0:14:28 | 0:14:32 | |
it's quite a small ledge. A small ledge for four chicks and a climber! | 0:14:32 | 0:14:37 | |
This is when they draw blood. | 0:14:40 | 0:14:42 | |
-This is going to be G five. -Sounds a good name for a pop group. | 0:14:44 | 0:14:47 | |
There's a G4, I think, isn't there?! | 0:14:47 | 0:14:50 | |
Oooh! | 0:14:50 | 0:14:52 | |
-Ooh... -A little shot. | 0:14:52 | 0:14:55 | |
And the other one, quick, he's taking blood. | 0:14:55 | 0:14:58 | |
Argh! | 0:14:58 | 0:15:00 | |
-Bother. -Hey, you're all right! Look at me! | 0:15:00 | 0:15:04 | |
1,200g, minus the bag. | 0:15:08 | 0:15:11 | |
-1,200g, minus the bag. And it's a female? -It's female. | 0:15:11 | 0:15:16 | |
Bit by bit, we're putting the jigsaw pieces together, | 0:15:16 | 0:15:18 | |
to the extent we probably know more about the peregrine falcon | 0:15:18 | 0:15:22 | |
in Northern Ireland than any other single species. It's very rewarding. | 0:15:22 | 0:15:25 | |
If you only knew, we are the best mates you have in this country. | 0:15:29 | 0:15:34 | |
And you can treat us with such disdain! | 0:15:34 | 0:15:37 | |
My friends in the Raptor Group would say that the reason I do field work | 0:15:44 | 0:15:49 | |
is that I know when I stop the field work, I'll have to write this up, | 0:15:49 | 0:15:52 | |
and I'm so scared about writing it up I just keep doing the field work. | 0:15:52 | 0:15:57 | |
Jim's had his hands torn to bits by unappreciative chicks. | 0:15:57 | 0:16:00 | |
But it's all worth it. | 0:16:00 | 0:16:02 | |
Long-term research like this is really valuable | 0:16:02 | 0:16:06 | |
in understanding what's going on with populations. | 0:16:06 | 0:16:09 | |
His passion for this iconic falcon is easy to understand. | 0:16:09 | 0:16:14 | |
But deep in the Cheshire countryside, | 0:16:16 | 0:16:18 | |
another volunteer has a more surprising addiction - | 0:16:18 | 0:16:22 | |
an obscure bird that few of us will ever see. | 0:16:22 | 0:16:25 | |
Malcolm Calvert is 63. | 0:16:29 | 0:16:31 | |
He works as a financial adviser and lives near Wilmslow, in Cheshire. | 0:16:31 | 0:16:35 | |
But there's more than one Malcolm Calvert. | 0:16:35 | 0:16:38 | |
The real me is the one who wears waders | 0:16:38 | 0:16:42 | |
and goes in the reed beds, and very often gets very wet. | 0:16:42 | 0:16:46 | |
There's nothing more exciting than finding a reed warbler nest | 0:16:46 | 0:16:50 | |
and studying what's happening with the birds. | 0:16:50 | 0:16:53 | |
The first recollection I have was when I was about six, | 0:16:58 | 0:17:02 | |
and I was being taken to see some relatives, | 0:17:02 | 0:17:05 | |
and being chastised by my mother | 0:17:05 | 0:17:07 | |
for not watching properly as I crossed the road. | 0:17:07 | 0:17:09 | |
I was more interested in the rooks nesting in the trees. | 0:17:09 | 0:17:13 | |
When Malcolm was a schoolboy of 15, | 0:17:15 | 0:17:18 | |
his passion for birds led him to Rostherne Mere, | 0:17:18 | 0:17:21 | |
which he found enchanting. | 0:17:21 | 0:17:24 | |
I was amazed at the beauty of the place. | 0:17:24 | 0:17:26 | |
It's in a very nice setting, with trees and fields around it. | 0:17:26 | 0:17:30 | |
It's a very beautiful spot. | 0:17:30 | 0:17:32 | |
Little did Malcolm know then that this place | 0:17:32 | 0:17:36 | |
would become his second home. | 0:17:36 | 0:17:38 | |
34 years ago, he set out to study the reed warblers here, | 0:17:39 | 0:17:43 | |
and he has been coming ever since. | 0:17:43 | 0:17:46 | |
The lake is huge, | 0:17:46 | 0:17:49 | |
but the birds are tiny and virtually impossible to see. | 0:17:49 | 0:17:53 | |
To find them, he has to push his way through acres of reed beds | 0:17:53 | 0:17:57 | |
up to twice his height. | 0:17:57 | 0:17:58 | |
It's nothing special to look at. | 0:17:58 | 0:18:01 | |
It's just a little brown bird, really. | 0:18:01 | 0:18:04 | |
It's not one of the gaudy, plumaged birds. | 0:18:04 | 0:18:06 | |
It's quite obscure, in some ways. | 0:18:06 | 0:18:08 | |
But they do come all the way from Africa | 0:18:08 | 0:18:11 | |
and they do return year by year to the reserve, | 0:18:11 | 0:18:14 | |
and I always look forward, in the winter, | 0:18:14 | 0:18:17 | |
to the first birds arriving back from Africa. | 0:18:17 | 0:18:20 | |
Before the birds nest, I like to be able to catch the adults | 0:18:20 | 0:18:25 | |
to identify who they are. | 0:18:25 | 0:18:27 | |
I'm going to set a net with the hope of catching several reed warblers. | 0:18:29 | 0:18:33 | |
I'll start from the far end and work back. | 0:18:33 | 0:18:36 | |
They're set a bit like goal posts. | 0:18:38 | 0:18:41 | |
Birds fly into it, and I'm specially trained to extract them | 0:18:41 | 0:18:45 | |
with no injury to the birds. | 0:18:45 | 0:18:48 | |
Very often, the first birds back | 0:18:51 | 0:18:52 | |
are birds I've ringed on the reserve in previous seasons. | 0:18:52 | 0:18:56 | |
This bird was ringed by me five years ago, at the same site. | 0:19:02 | 0:19:06 | |
It's been to Africa and back five times. | 0:19:06 | 0:19:09 | |
Reed warblers are doing well in the UK, | 0:19:09 | 0:19:12 | |
but they're global travellers that could hit a hitch at any time. | 0:19:12 | 0:19:17 | |
If they do, Malcolm will be here to notice. | 0:19:17 | 0:19:19 | |
By the end of May, the idea is to find nests | 0:19:21 | 0:19:25 | |
and to record the laying of eggs and the hatching of young, | 0:19:25 | 0:19:30 | |
and to ring nestlings. | 0:19:30 | 0:19:31 | |
The lake is a kilometre long and 600 metres wide. | 0:19:35 | 0:19:39 | |
There are acres of reed beds. | 0:19:41 | 0:19:43 | |
And Malcolm knows where each nest is. | 0:19:43 | 0:19:46 | |
This is private land. | 0:19:55 | 0:19:57 | |
Malcolm is here alone. | 0:19:57 | 0:19:59 | |
If anything happened, it could take the emergency services | 0:19:59 | 0:20:02 | |
hours to find him. | 0:20:02 | 0:20:04 | |
It's going to get very deep. It's a bit deeper than I thought. | 0:20:04 | 0:20:07 | |
With 2007 being the wettest summer for 400 years, | 0:20:12 | 0:20:16 | |
it's a worrying time for Malcolm. | 0:20:16 | 0:20:19 | |
He never knows what he will find at each nest. | 0:20:19 | 0:20:22 | |
The nest is here but the younger fledge, they've already gone. | 0:20:22 | 0:20:27 | |
The tell-tale signs of droppings on the reeds show that the birds | 0:20:27 | 0:20:31 | |
have successfully left the nest. | 0:20:31 | 0:20:33 | |
Saturday's the main day. | 0:20:36 | 0:20:38 | |
I can be there for 8 to 10 hours on a Saturday. | 0:20:38 | 0:20:42 | |
On a Wednesday or Tuesday, I might be down for three or four hours. | 0:20:42 | 0:20:46 | |
Oh, dear. | 0:20:52 | 0:20:53 | |
It's bad news. | 0:20:54 | 0:20:56 | |
There's two dead young and one egg. | 0:20:56 | 0:20:59 | |
They've just got soaked in the rain. | 0:20:59 | 0:21:02 | |
Very recent as well. | 0:21:02 | 0:21:03 | |
They were making good progress. | 0:21:03 | 0:21:06 | |
63-year-old Malcolm makes this look easy, | 0:21:09 | 0:21:12 | |
but the reeds grab at your legs, making it really tough. | 0:21:12 | 0:21:16 | |
We have a nest of young here, which I can ring. | 0:21:22 | 0:21:24 | |
Almost ready to fledge. | 0:21:35 | 0:21:37 | |
Starting from 1973, I've ringed over 4,000 nesting reed warblers. | 0:21:37 | 0:21:43 | |
12% of the national total have been birds at Rostherne Mere. | 0:21:43 | 0:21:48 | |
It's been very rewarding. | 0:21:48 | 0:21:49 | |
There have been so many highlights over the years of doing this study. | 0:21:51 | 0:21:56 | |
In particular, it's always rewarding to catch birds ringed as nestlings | 0:21:56 | 0:22:01 | |
when they first appear as juveniles weeks later. | 0:22:01 | 0:22:04 | |
Recently, for example, I caught all four birds from a particular brood. | 0:22:04 | 0:22:10 | |
And it's nice to know that all four have survived, | 0:22:10 | 0:22:12 | |
and are thriving in the reed beds. | 0:22:12 | 0:22:14 | |
When I've just got soaked and I've sort of looked back and thought, | 0:22:18 | 0:22:21 | |
"What have I achieved today?", | 0:22:21 | 0:22:23 | |
there's always the urge to go back the next day and to do better. | 0:22:23 | 0:22:29 | |
Malcolm Calvert has written a book chronicling his 35 years of research | 0:22:29 | 0:22:34 | |
and knows more about this species at Rostherne Mere | 0:22:34 | 0:22:37 | |
than anyone who's ever lived. | 0:22:37 | 0:22:40 | |
Malcolm, Adrian, Dave and Jim all go to extremes | 0:22:40 | 0:22:44 | |
to study birds in their spare time. | 0:22:44 | 0:22:47 | |
And each has carried out a unique long-term study. | 0:22:47 | 0:22:51 | |
But you don't have to go to these lengths | 0:22:52 | 0:22:55 | |
or be involved with birds for 30 years to really make a difference. | 0:22:55 | 0:23:00 | |
Ah, marvellous! | 0:23:00 | 0:23:01 | |
There's a barn owl just along the edge of the field over there. | 0:23:01 | 0:23:05 | |
Just quartering along. | 0:23:05 | 0:23:07 | |
Almost like a big flying head, you know. | 0:23:09 | 0:23:13 | |
Actually, I think it's amazing. | 0:23:13 | 0:23:15 | |
I never get tired of seeing birds such as barn owls. | 0:23:15 | 0:23:20 | |
ALARM BEEPS | 0:23:20 | 0:23:23 | |
A typical day will mean probably getting up around 5am, | 0:23:23 | 0:23:28 | |
getting onto the farm for around 5.45am. | 0:23:28 | 0:23:31 | |
Mark spends a couple of hours surveying a local farm for birds. | 0:23:31 | 0:23:35 | |
Then he rushes back to the city | 0:23:35 | 0:23:38 | |
for an eight-hour shift in a noisy factory. | 0:23:38 | 0:23:41 | |
Working in the factory in the week, it's nice just to get out | 0:23:41 | 0:23:47 | |
in the open air with birds singing round you. You can't beat that. | 0:23:47 | 0:23:51 | |
It's very therapeutic. | 0:23:51 | 0:23:54 | |
Mark's early morning jaunts are more than just a peaceful escape. | 0:23:54 | 0:23:58 | |
He's part of an RSPB scheme to partner farmers with volunteers. | 0:23:58 | 0:24:03 | |
Yorkshire and the East Riding is an intensive area of agriculture. | 0:24:03 | 0:24:07 | |
When you're looking at vast fields of single crops, | 0:24:07 | 0:24:11 | |
it can be quite depressing to survey, actually. | 0:24:11 | 0:24:14 | |
Very little birdlife, very few insects, just nothing in there. | 0:24:14 | 0:24:18 | |
Almost barren deserts, really. | 0:24:18 | 0:24:20 | |
Farmland birds across Britain have declined | 0:24:21 | 0:24:24 | |
by nearly 50% since the 1980s. | 0:24:24 | 0:24:29 | |
The once-common corn bunting has plummeted by a massive 98%. | 0:24:29 | 0:24:37 | |
Yorkshire and East Riding have been the worst-hit areas. | 0:24:37 | 0:24:41 | |
Basically, what I'm doing is recording all the birds | 0:24:46 | 0:24:49 | |
that I can hear, and trying to plot them on the map. | 0:24:49 | 0:24:51 | |
That's the programme's main aim, to get as many of these species | 0:24:51 | 0:24:56 | |
down on the map so the farmer can then be informed | 0:24:56 | 0:24:58 | |
of what important areas there are, and which habitats he can work on. | 0:24:58 | 0:25:02 | |
Jangling keys is the corn bunting. | 0:25:06 | 0:25:09 | |
This is a bird I've missed in recent years, actually. | 0:25:09 | 0:25:13 | |
Quite a dumpy little brown, boring bird. | 0:25:13 | 0:25:17 | |
I think the old Yorkshire thing is calling them the corn blob, | 0:25:17 | 0:25:22 | |
but it's the call that you actually miss. | 0:25:22 | 0:25:25 | |
This jangling keys. | 0:25:25 | 0:25:27 | |
Just try and listen for it now. | 0:25:27 | 0:25:28 | |
SILENCE | 0:25:28 | 0:25:30 | |
Not performing! I thought you might get one to order. | 0:25:41 | 0:25:45 | |
I think the most rewarding part for me | 0:25:45 | 0:25:47 | |
is actually seeing farmers a few years down the line | 0:25:47 | 0:25:50 | |
making changes that are really helping birds. | 0:25:50 | 0:25:53 | |
Mark surveyed Tamara Hall's pea farm three years ago, | 0:25:57 | 0:26:01 | |
and, as a result, Tamara has made some big changes to help birds. | 0:26:01 | 0:26:05 | |
Lovely. I see you've put a few nest boxes up. | 0:26:07 | 0:26:10 | |
-Yes, and they were used last year, which is good. -Brilliant. | 0:26:10 | 0:26:14 | |
There were loads of tree sparrows. | 0:26:14 | 0:26:16 | |
Beautiful little dumpy birds. | 0:26:16 | 0:26:18 | |
They almost look like the Yorkshire pensioner, with his flat cap on. | 0:26:18 | 0:26:24 | |
That's what they remind me of. I love them to bits. Great to see 'em. | 0:26:24 | 0:26:28 | |
Over at the bottom of this field, we've put a ten-acre scrape, | 0:26:31 | 0:26:35 | |
a series of shallow connected ponds for waders and things. | 0:26:35 | 0:26:40 | |
-My father nearly had a heart attack when he saw this! -I can believe that! | 0:26:40 | 0:26:44 | |
Quite a mess! | 0:26:44 | 0:26:45 | |
-Yeah. It looks a lot better now. -Yeah. | 0:26:45 | 0:26:48 | |
We've also got the wood next to it, | 0:26:48 | 0:26:50 | |
which is an 18-acre wood we planted with public access. | 0:26:50 | 0:26:53 | |
The public will be able to watch the scrape from there. Hopefully. | 0:26:53 | 0:26:56 | |
Very good. | 0:26:56 | 0:26:58 | |
It's great to meet farmers who are like minded | 0:26:58 | 0:27:01 | |
and wanting to get involved and do things. | 0:27:01 | 0:27:03 | |
They'd be really sad places if these birds were extinct in a few years. | 0:27:03 | 0:27:09 | |
I think my personal hope is that one day, you know, | 0:27:11 | 0:27:14 | |
I might be looking at a career change, getting out of the factory | 0:27:14 | 0:27:17 | |
and actually doing something to help birds. | 0:27:17 | 0:27:21 | |
Compared to Adrian, Dave, Jim and Malcolm, Mark is just a fledgling. | 0:27:21 | 0:27:25 | |
But he's already making a difference. | 0:27:25 | 0:27:27 | |
Our volunteers hike, climb, wade | 0:27:27 | 0:27:31 | |
and even give blood to help their prized birds. | 0:27:31 | 0:27:35 | |
Ooh! | 0:27:35 | 0:27:36 | |
Though their efforts, we've learned entirely new things about the lives, | 0:27:36 | 0:27:40 | |
loves and troubles of British bird species. | 0:27:40 | 0:27:44 | |
It's only by knowing what we've got and how it's doing | 0:27:44 | 0:27:47 | |
that we can know when to step in and help. | 0:27:47 | 0:27:49 | |
It would be an impossible task without the help | 0:27:49 | 0:27:52 | |
of our British wild heroes. | 0:27:52 | 0:27:56 | |
If you want to find out about getting involved with birds, | 0:27:56 | 0:28:01 | |
log on to... | 0:28:01 | 0:28:05 | |
Next time on Born To Be Wild, a stroll with a mission... | 0:28:06 | 0:28:12 | |
This is beginning to look good. | 0:28:12 | 0:28:15 | |
..grow-your-own butterflies... | 0:28:15 | 0:28:17 | |
One's emerged from the chrysalis. | 0:28:17 | 0:28:21 | |
..a passion for moths... | 0:28:21 | 0:28:24 | |
and a close encounter. | 0:28:24 | 0:28:27 | |
There she goes. | 0:28:27 | 0:28:29 | |
Join our amateur naturalists | 0:28:29 | 0:28:31 | |
as they keep an eye on Britain's butterflies. | 0:28:31 | 0:28:34 | |
Subtitles by Red Bee Media Ltd | 0:28:49 | 0:28:52 | |
E-mail [email protected] | 0:28:52 | 0:28:56 |