Five new animal species that camouflage themselves as excrement or bark reveal some of what still remains hidden in the world ...

“Not only do these spiders occasionally catch small vertebrates – mice, rats, frogs, lizards, snakes – they also catch bulky ...

Playing dead also Known scientifically as thanatosis or tonic immobility, this behavior is a last-resort defense used by ...

Some wasps are unsettling, and then there are species so extreme that even the scientists who study them reach for words like ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird ...

Birds and bats act as non-chemical pest management in West African lowland rice fields, according to a recent study based in ...

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

California’s diverse climate and sprawling urban areas have made the western state an unexpected hotspot for non-native ...

The great tit (Parus major) is the picture-perfect garden bird. With its colorful feathers and melodic, two-note whistle, it ...

A review back in 2021 documented cases of spiders preying on snakes, turning up 319 reports from every continent except ...

This spider doesn’t run or hide when danger strikes. Instead, it builds a fake version of itself — and predators fall for it.

Keystone species play an outsized role in the ecosystem, affecting the natural balance in ways that cannot easily be replaced.