51¶¯Âþ

animal cognition

Kea with broken beak

Life

Parrot uses his broken beak to become a dominant male

An injured kea with just half a beak has used what's left as a weapon that gives him dominance over a captive colony of the birds

51¶¯Âþ

Procoptodon prehistoric kangaroo

Life

Ancient giant kangaroos could have hopped despite their huge size

51¶¯Âþ

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

51¶¯Âþ

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

51¶¯Âþ

Killer whales and Pacific white-sided dolphins

Life

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

51¶¯Âþ

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

51¶¯Âþ

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

51¶¯Âþs have observed mice helping each other when they encounter difficulties during birth, prompting a rethink of caregiving among rodents and other animals 

51¶¯Âþ

Life

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

51¶¯Âþ

Life

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

51¶¯Âþ

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?

51¶¯Âþ

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