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Adelie penguins likely to experience significant decline by end of century

3 ways to photograph infrared images

Wild boars use an internal compass to navigate

California's 66 million dead trees pose an extreme wildfire risk

Researchers discover 'bright spots' where coral reefs are thriving

5 startling facts about sea stars

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Photo blog

Elvis the baby seal has left the boat!

These prize-winning images of dogs will steal your heart

Who needs fireworks when you have the stars?

Witnessing a great white shark breach ... terrifying, awesome or both?

Whimsical faces spring from foraged nature

How to celebrate Midsummer like a real Swede

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Photo galleries

12 types of waterfalls to see in your lifetime

10 amazing images of Jupiter

9 of the worst viruses on Earth

10 facts to change the way you think about donkeys

Hairy Houdinis: 11 animal escape artists

How to identify 10 common butterfly species

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