Bears notably reduce their mass over winter, using up their fat stores during hibernation. Yet a few mammals actively shrink their skeletons, skulls and brains by 20 per cent or more as cold ...

Barely longer than a matchstick, this tiny Tanzanian chameleon packs one of the fastest weapons in the animal kingdom ...

An early satellite study recorded caribou in Arctic Alaska travelling distances of 5,000km each year, but experts say ...

I decided I’d jack up the front end of the car and find something to put under the front wheels to get more traction and lift ...

While whales do need fresh water, they actually don’t need a huge amount, considering their size. This is largely because, in ...

In a horrific but easy-to-visualise scene, the ants grab its limbs and pull backwards, while the insect struggles in the ...

I spent several long days in a hide on the moors, hoping to photograph the elusive merlin hunting. On the final evening, as the light faded, I started packing up to leave. The moment I stepped outside ...

Does a cuckoo know it's a cuckoo? The answer is more difficult than you might think, explains Richard Pallardy ...

A team of researchers have demonstrated how moss can act as a forensic ‘fingerprint’ when confirming details about a crime ...

By looking in detail at brain activity during sleep, scientists can figure out exactly what animals are dreaming of. Neuronal ...

Stubbornly, I feel spring markers are for spring. Instead, I focus on winter markers.” Kate Bradbury on embracing the joys of ...

Tree planting rarely has a 100 per cent success rate first time around, Nicholson points out. When his company planted ...