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The last black leopard photographed in Kenya was born in New York

Life

The last black leopard photographed in Kenya was born in New York

New images of a black leopard taken by a camera trap in Kenya were claimed to be the first in 100 years, but that wasn't strictly true

News

A green tree frog was discovered stuck on a branch next to a red triangle slug (left)

Life

Slime-fighting slug can superglue enemy frogs to trees for days

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A crow

Life

Crows can solve a tricky puzzle box by planning ahead and using tools

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tiger and sloth

Life

Mother sloth bear carrying babies takes on a big male tiger and wins

Regulars

Ancient kangaroos

Life

Australia has been home to hopping kangaroos for 20 million years

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Video

Britain's wildlife needs you

Video

How nature is evolving in the human age

Video

How nature is evolving in the human age

Video

Human or hybrid? The big debate over what a species really is

Life

Human or hybrid? The big debate over what a species really is

Features

earliest animal

Life

Exclusive: 600-million-year old blobs are earliest animals ever found

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zebrafish

Life

Probability helps zebrafish stay in schools when faced with predators

Fish track the movement of their neighbours to swim in dense schools as they flee predators – and they pay more attention to the motion of some fish than others

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Life

We've dug up tiny animals from beneath a frozen Antarctic lake

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Life

Long-eared jerboas have some of the most outsized ears on the planet

Regulars

Life

Long penises help hermit crabs avoid being robbed during sex

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Life

How hagfish can make enough slime to clog a shark's jaws in seconds

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