Beastly wallpaper to download

Walking With Beasts is the BBC's follow-up to the hugely successful series Walking With Dinosaurs, which has been enjoyed by countless TV viewers around the world.

Beasts provides a unique glimpse of the last 65 million years on Earth and reveals how life developed after the dinos were wiped out and mammals took over.

To mark the new series' first showing in the UK, BBC News Online is offering readers the chance to download some beastly wallpaper for their desktops.

Pick the size that best fits your screen's settings and simply follow the link to go to the relevant download and instructions page. You can also click here to visit the special BBCi website built to accompany the series.

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Click for the duelling image
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An entelodont (left) was a huge, aggressive pig-like creature that lived more than 25 million years ago. If it ever bumped into hyaenodon (right), it would have been quite a duel.

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Click for the herd image
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Macrauchenia were bizarre animals with a peculiar, muscular snout the size of a Wellington boot. They lived between 20,000 and seven million years ago.

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Click for the migration image
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A herd of woolly mammoths moves north for summer grazing. These highly social creatures lived as recently as 6,000 years ago

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Click for the elk image
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The extraordinary Irish elk's antlers were more than three metres across. If you lived 9,000 years ago you might have seen males battling over harems of females.

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The image at the top of this page shows mixed herds of mammoth, elk and woolly rhino. You can also put this picture on your desktop.

Click for the beach image (top picture)
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If you want to find out more information about the creatures featured on this page, or any other animals in Walking With Beasts, visit the BBCi website. Simply click here.