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animal cognition

Procoptodon prehistoric kangaroo

Life

Ancient giant kangaroos could have hopped despite their huge size

Long thought to have walked bipedally, like us, Australia’s extinct giant kangaroos have features that indicate they could also have bounced

News

How fear drastically shapes ecosystems: Best ideas of the century

Environment

How fear drastically shapes ecosystems: Best ideas of the century

Features

Hallucigenia

Life

Fossil may solve mystery of what one of the weirdest-ever animals ate

News

Life

Is there an evolutionary reason for same-sex sexual behaviour?

Analysis

Life

Jellyfish sleep about as much as humans do – and nap like us too

News

Killer whales and Pacific white-sided dolphins

Life

Killer whales and dolphins are ‘being friends’ to hunt salmon together

News

Cheerful mother and daughter tickling and playing at home on couch

Humans

What the evolution of tickling tells us about being human

Features

Life

Deadly fungus makes sick frogs jump far, possibly to find mates

News

Adult mice using their paws and mouths to remove pups stuck in a pregnant animal's birth canal

Life

Mouse 'midwives' help their pregnant companions give birth

News

Life

Orcas are ganging up on great white sharks to eat their livers

For the first time, video footage has captured orcas in the Gulf of California hunting young great white sharks, using a trick to flip them over, paralise them and get at their energy-rich livers

News

Life

20 bird species can understand each other’s anti-cuckoo call

News

Life

We will soon be able to talk with other species. Which will be first?

Features

Life

Orcas are bringing humans gifts – what does it mean?

News

Life

Orcas scrub each other clean with bits of kelp

News

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