Rhaglen 4 Trefi Gwyllt Iolo


Rhaglen 4

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-If you want to see a show, you

-won't see a better wildlife show...

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-..anywhere in the world

-than starlings coming in to roost.

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-It's like a huge hornet's nest

-under Aberystwyth pier.

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-These birds

-will have flown tens of miles...

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-..to feed on farms

-in northern Ceredigion...

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-..or even as far as Meirionnydd

-and Montgomeryshire.

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-They gather in small groups...

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-..and return to roost in a safe

-and dry place, under the pier here.

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-As they come back,

-they form larger and larger groups.

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-By the time they've reached here,

-there are 5,000 of them...

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-..10,000 sometimes.

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-They fly back and forth,

-back and forth.

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-Thousands are coming in.

-Look at all these.

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-It's one of nature's wonders

-how these came together...

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-..and chose Aberystwyth pier

-as a meeting spot...

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-..after spending the day

-spread out throughout Mid Wales.

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-But during autumn and winter

-throughout Wales...

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-..this is what starlings do.

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-If there's a good place to roost...

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-..they remember it

-and obviously share the information.

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-The best places are often in towns.

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-Will they stay here a while?

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-Will they stay here a while?

-

-They'll stay under there overnight.

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-It's been

-the experience of a lifetime.

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-It's great.

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-Do they gradually fly away?

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-Yes, in the morning,

-as they came in.

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-They come in groups of dozens,

-sometimes hundreds.

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-They go back and forth before

-deciding it's time to go to sleep.

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-They fall out of the air

-under the pier.

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-It's incredible how they know

-how to come in. From all directions.

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-It's a safe and dry place

-under the pier.

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-Listen to that sound.

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-The sound of thousands of birds.

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-They're under the pier in rows.

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-Those at the end of the rows

-will fly up and go under the pier.

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-They're packed tightly together.

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-They're packed tightly together.

-

-How often does this happen in Aber?

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-Every night.

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-Every night.

-

-For how long?

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-It starts at the end of October...

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-..and will go on until late

-February or the beginning of March.

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-Every night, free of charge.

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-The metal parts of the pier...

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-..are far sturdier and sheltered

-than any tree, hedge or rush...

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-..their natural roosts.

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-For a starling,

-this is a perfect spot.

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-A disused building with plenty of

-dry standing spaces does the job.

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-I estimate that around 9,000

-have come in tonight.

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-They're all right under the pier.

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-I can still see them, thousands

-of them, and you can hear them.

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-They're very noisy.

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-They seem to be deciding exactly

-where each one is going to be.

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-The more experienced ones,

-the oldest ones, are in the middle.

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-The younger ones are on the fringes.

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-If it's extremely cold,

-they will get very cold...

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-..whereas the ones in the middle

-will be warm and safe.

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-What I like about this roost

-in Aberystwyth...

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-..is you're right there

-with the birds.

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-They fly above your heads

-and come round...

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-..and you can go right up to

-the pier and listen to their noise.

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-It's unique.

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-Cardiff

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-It's not only starlings

-that roost in towns overnight.

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-Many different birds do it.

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-We associate cormorants

-with the coast.

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-But these fly to a park in Cardiff

-to spend the night.

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-It's late afternoon.

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-The sun is about to set.

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-In five minutes,

-it will have disappeared.

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-The cormorants are gathering

-to roost on the tall trees here.

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-One's flying off.

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-Why do they come to Roath Park?

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-There are tall trees here...

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-..they're on an island in the middle

-of the lake so they're safe...

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-..but the main reason is because

-they're so close to the sea.

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-In five minutes, they can be

-feeding, filling their bellies.

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-Another five minutes,

-they can be back here roosting.

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-For the next half an hour to an

-hour, I expect to see more arriving.

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-Here's one coming in now.

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-The official Welsh translation

-of cormorant is "mulfran".

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-Like a lot of our birds, there are

-many dialectal Welsh words for it.

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-"Morfran" (sea crow)

-is one of them...

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-..an apt term as it's black

-and is seen on the seaside.

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-Another name

-is "colier" (collier)...

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-..perhaps referring

-to its dark colour.

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-"Gloddestwr" (glutton)

-as it swallows a lot, I suppose.

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-How about these -

-"wil wal waliog"...

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-.."Llanc Llandudno"

-and "wilibofran".

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-They're names

-that hint it's quite a character...

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-..like "bilidowcar" - my favourite.

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-They like being together.

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-They nest together,

-sometimes, they hunt together.

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-They also obviously

-like to sleep together.

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-Around 50 cormorants...

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-..roost near Roath Park Lake

-in Cardiff every night in winter.

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-In the city centre,

-there's a far larger bird roost...

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-..which hardly anyone notices.

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-Look at that tree.

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-It's alive with small birds.

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-They're all wagtails.

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-They make quite a noise.

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-There are hundreds of wagtails here.

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-They're roosting here.

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-They're along the roof.

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-Once one of them

-decides it's safe for them to go...

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-..it goes down and is followed

-by dozens of others like waves.

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-They're still coming in.

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-They'll roost here overnight.

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-Wow! Look!

-They're moving back and forth.

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-It'll be a while yet

-before they settle...

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-..before they decide

-where they roost.

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-They're constantly chattering

-and moving all the time.

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-They're so busy.

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-They're still coming. I've never

-seen so many wagtails together.

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-I estimate that at least 200 have

-come in and they're still arriving.

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-In contrast to cormorants...

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-..the pied wagtail

-tends to spend the day alone.

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-In winter, at night,

-they come together to roost.

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-They'd naturally spend the night

-in marshes...

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-..and keep warm in rushes

-above the water.

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-The temperature in towns can be many

-degrees warmer than the countryside.

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-That can be the difference

-between life and death in winter.

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-It's one reason why they come here

-in their hundreds.

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-There are fewer marshes

-available to them these days...

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-..and, like many other birds...

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-..they've learnt

-there are better spots in towns.

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-As well as that,

-they're away from any dangers.

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-I estimated the number of birds

-as they flew in.

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-I thought there may be 200.

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-But looking up at that tree,

-they're like leaves.

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-I'd say there are at least

-double that number here.

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-All the white bits you can see

-are wagtails.

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-One theory is they come together

-to share information about food.

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-If a bird looks healthy, it means

-it's found a good place to feed...

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-..so it'll be a good idea

-to follow it in the morning.

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-Haverfordwest

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-There are wild places in all towns.

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-This one is in Haverfordwest.

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-In summer,

-the wild plants are at their best...

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-..and change a barren spot

-into a colourful and rich habitat.

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-I'm coming down towards

-the football pitch.

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-In front of me

-is the old animal mart.

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-It was closed years ago.

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-Places like this that have been left

-alone are great...

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-..because nature

-always reclaims them.

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-Even in places such as this

-there are all sorts of flowers.

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-Red clover is good.

-It's full of nectar.

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-I've seen six species of butterfly

-just in this bit.

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-I've seen two types of skipper - the

-small skipper and the large skipper.

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-They're orange butterflies.

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-They're quite swift.

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-There's plenty of nectar and pollen

-for them on the flowers.

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-Areas of land such as this one

-in towns are important for wildlife.

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-With rural habitats declining...

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-..this is one of the few places

-in which nature can thrive.

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-In winter, finding food is hard.

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-It must be searched for

-everywhere...

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-..including in any wild habitats

-near towns.

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-The bittern

-is one of Wales's rarest birds.

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-This one has landed in a pool

-near Cardiff.

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-It would usually hide in a marsh

-in the countryside.

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-But despite the rubbish...

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-..it's decided that

-this is a good place to find fish.

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-It'll be here for a day or two,

-or longer if there's enough fish.

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-On an industrial estate near Rhyl...

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-..a short-eared owl

-has found a wild patch of land.

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-Winter is the best time

-to see unusual birds around towns.

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-Birds who usually hide

-are forced to be less shy.

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-In the summer, short-eared owls

-live on the uplands.

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-In winter, it's forced

-to look for mice lower down.

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-This is a good place to hunt.

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-The thick vegetation has created

-the perfect habitat for small mice.

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-I don't know of any supermarket

-in the country...

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-..that isn't a good place for birds.

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-When new ones are built,

-trees are planted.

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-These are rowan trees.

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-Once they mature, they're full

-of berries, like this one here.

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-That attracts birds.

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-Here, blackbirds and thrushes

-have been landing on the tall trees.

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-They come down and feed here.

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-It'll get dark within half an hour.

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-They have to feed now

-before they go to roost over there.

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-Without the supermarket,

-these trees wouldn't be here.

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-This all takes place on the side of

-one of North Wales's busiest roads.

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-Incredible.

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-If you're very lucky, when you go

-to your local supermarket...

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-..you might see these lovely birds,

-waxwings.

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-They come from Scandinavia.

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-They're rare winter visitors.

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-They come here

-once every six or seven years.

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-When the berries fail

-in Scandinavia...

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-..they visit us.

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-When they do come, the best place to

-see them is your local supermarket.

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-They're beautiful. They really are.

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-It has orange-pink, punk-style hair.

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-There are patches of red

-on their wings.

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-That's why it's called a waxwing.

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-They're so pretty.

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-When you go to

-your local supermarket in winter...

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-..you might see these.

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-When it's frozen solid

-in the rest of Europe...

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-..thousands of birds head west

-to milder weather.

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-They'll go as far as Ireland

-if they must.

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-After eating the berries...

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-..they'll fly back to the Continent

-for the spring.

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-Winter can be a good time

-to see birds in towns.

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-As it's such a barren season...

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-..thousands come to eat

-or to look for shelter.

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-For a short period

-just before sunset...

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-..which only lasts

-for about 15 minutes...

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-..you'll get a great aerial show

-such as this one in every village.

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-Wow! Look at these!

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-Hundreds of jackdaws.

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-I'm between Llanelli and Loughor.

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-Every night in winter,

-hundreds of birds come in to roost.

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-They choose tall trees,

-either behind me...

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-..this one or ones in front of me.

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-It depends

-on the direction of the wind.

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-This is a great place for them.

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-Lots of heat comes from houses.

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-There are lots of factories

-here too.

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-As well as that, it isn't far for

-them to get food in the morning...

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-..from people's gardens, parks

-or farms.

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-This is right in the middle.

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-Almost three million jackdaws

-live in Britain.

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-So it's no surprise...

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-..that so many gather around our

-towns during winter when it's cold.

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-The most experienced birds

-lead the way.

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-They're the ones

-who find the roosts.

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-But they never go

-straight to the roost.

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-They circle around the area and

-land in many places before settling.

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-There's wave after wave above me.

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-No-one knows why they don't find

-one spot and settle there.

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-It never happens.

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-They look like they're going

-to settle, they go up...

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-..look like they're settling again

-and go back up, just like these.

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-Some are settling just above my head

-in this tree.

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-After landing,

-they obviously natter to each other.

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-A jackdaw language where they chat

-about good places to shelter...

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-..and to find food in the morning.

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-Away they go...

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-..like children who want to continue

-playing and put off going to bed.

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-They continue chatting.

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-And they continue to decide

-who lands where.

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-You can be sure that the experienced

-ones will get the best spots.

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-I think this will be the final wave.

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-It's getting very dark.

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-What's interesting is...

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-..they're settling for the night

-not only in the trees...

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-..but on the factory too.

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-They've found a safe and warm place

-to roost.

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-That's where they'll stay all night.

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-If I was a jackdaw

-or another urban creature...

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-..I'm sure there's enough in towns

-for me to recommend.

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-There are great places to stay warm

-overnight.

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-They're cosy compared to open,

-desolate places in rural Wales.

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-Between the concrete

-and among the rubbish...

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-..there's enough food available.

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-There's no problem commuting.

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-If they have to leave the town, they

-only have to fly above the traffic.

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-And, of course,

-every little wild patch helps.

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