Chameleon

An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey

Echidnas are spiky and slow-moving mammals that have long or short snouts known as beaks. They’re also called spiny anteaters because they lack teeth and rely on their long, sticky tongues to catch in

Mimicry is where one species evolves to look like another. Animals evolve to mimic others in two main ways and they can be classed as either ‘honest’ or ‘dishonest’ mimics. In honest mimicry, two or m

Clouds of noxious gas, stink bombs and purple smokescreens may sound like schoolboy pranks, but the animal world is just as capable of executing arresting chemical warfare, says Deborah Nicholls-Lee

Amazing answers to your curious questions

Rupert Uloth travels to Madagascar’s north-east to marvel at the extraordinary abundance of flora and fauna–much of which is found nowhere else on Earth