The bullet ant

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

A labour of love. and pain. The Schmidt Sting Pain Index is a scale rating the relative pain caused by different stinging insects. It was devised by the entomologist Justin Schmidt, who worked at the

Amazing answers to your curious questions

Much of Angola’s wildlife was lost to civil war; now, thanks to years of dedicated conservation efforts, the country and its parks are on their way to becoming Africa’s newest safari star, writes Ian Packham

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

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