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Photo of the Day

Researchers find 'Dory' — in a lab

Mouse lemurs are like furry time machines

It isn't easy being a red wolf

Why do pupils come in different shapes for different species?

5 ways to help coral reefs today (no matter where you live)

5 fascinating facts about birdsong

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Photo blog

The cheeky story behind the award-winning 'Puffin Paramours' photo

If animals could talk, they might say something sarcastic about the way we treat the planet

It's not easy rewilding a giant panda (but someone's got to do it)

Take in a bird's-eye view of these powerful storms

Endlessly starry sky shimmers over Dry Tortugas National Park

Organic meets digital in 'Bit Flowers'

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Photo galleries

15 weird sleep habits in the animal world

13 natural rock formations that look man-made

12 facts to change the way you see elephants

11 odd ways we protect endangered species

Orchids 101: The biology behind these elegant flowers

22 stunningly rare albino animals

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