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Snowshoe Hare Lepus americanus changing from summer to winter fur in Teslin, Yukon, Canada; Shutterstock ID 783248209; purchase_order: -; job: -; client: -; other: -

Life

Hares with failed snow camouflage still manage to avoid predators

Snowshoe hares turn white in autumn to blend into their snowy environment 鈥� but surprisingly, they thrive even when the snow doesn鈥檛 fall

Red postman butterfly on a leaf

Life

Some female butterflies can see an extra ultraviolet colour

Dark lines on lighter rocks, animal burrows in ancient quartzitic rock

Life

Mystery of ancient burrows older than earliest animals has been solved

Hyenas play

Hyenas signal to others when fighting in just a game

A goose with a lake in the background

Life

Birds flocked to North American cities during covid-19 lockdowns

Watch cuttlefish migrate together in a defensive line with a lookout

Animals get weighed at London Zoo annual weigh-in

Health check for London zoo animals as annual weigh-in gets underway

Chinese Scorpion (Buthus martensii)

Life

Scorpions develop a sting in the tail before they are ready to use it

Cockatoo tool use

Wild cockatoos make “cutlery” tools from tree branches

F0PBYM Mediterranean checkered scorpion (Mesobuthus gibbosus) on rock, The Peloponnese, Greece

Life

Scorpions have strange joints that can simultaneously bend and twist

Scorpions have unusual joints in their tails that can twist and bend at the same time, and this design could be used for flexible robots

How ants use soil physics to excavate metre-long tunnels

Life

Giant anteaters are forced to roam in search of cooling forests

Life

Land-dwelling turtles from the Cretaceous period had extra-tough eggs

Why do cats purr?