100 endangered crayfish just dropped dead in England – and people don't know why ...

Shark attacks on humans are extremely rare, but should it ever happen, here's our expert guide on what to do.

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Everything you need to know about ash dieback We asked Dr Andrea Harper at the University of York to answer some questions about ash dieback, which is devastating trees across Europe. Magazine gift ...

Movember's wild side: 8 animals with a better moustache than yours ...

Steven Allain is an avid herpetologist, photographer, researcher and science communicator. His research covers a range of topics, which most recently has involved investigating the population dynamics ...

Charlie is a freelance contributor who is passionate about the countryside, wildlife and environmental matters ...

Meet the world's largest, deadliest bug that can suck the life out of fish many times its size - effectively turning its prey into one giant protein smoothie ...

Who is Chris Packham? Everything you need to know about the Springwatch presenter ...

Who is Michaela Strachan? Everything you need to know about the Springwatch presenter Big Cats 24/7 live: Watch BBC Earth's first ever live stream from the Big Cats camp in Botswana ...

Race to see Canada's 'Big Five' mammals in just seven days ...