91色情片

Sun bear

Life

Sun bears copy each other’s facial expressions to communicate

The world's smallest bears, sun bears, copy one another's facial expressions as a means of communication. Few other animals are known to do this

A crow

Life

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

A bee by a flower

Life

Bees can pass a simple maths test but they might just be cheating

Heavy or light?

Life

Crows can guess the weight of an object by watching it sway in wind

A rat and a robot rat

Technology

Rats can make friends with robot rats and will rescue them when stuck

Life

Find out how outrageously weird octopuses are 鈥� take our quiz

bee swarm

Life

Honeybee swarms act like superorganisms to stay together in high winds

fairy-wren

Life

Birds can learn to understand the meanings of other species’ calls

sheep

Environment

Moose and sheep pass down their migration routes through culture

Two cleaner wrasse

Life

A species of fish has passed the mirror test for the first time

The cleaner wrasse has become the first fish ever to pass the mirror test 鈥� a classic experiment used to gauge self-awareness in animals

Life

The most trusted meerkats are those with impeccable reputations

Life

Parrots make wise investment decisions to get what they want: walnuts

Environment

Orca who carried her dead infant is not alone – many animals grieve

Environment

Lemurs self-medicate by rubbing toxic millipedes over their bottoms