TWITCHERS search out rare birds, keeping a list of every one seen.

Richard Collins on the possibility that the great spotted has bred in Ireland

Richard Collins says a new book dispels some myths about hedgehogs.

Richard Collins on how a Cold War crisis produced a wildlife miracle.

Richard Collins on the traditions surrounding birds.

Richard Collins says this durable tree deserves better recognition

Richard Collins on how swans were seen in medieval England

Richard Collins looks at the role zoos play in saving the orang-utans.

Richard Collins on dangers facing half of the world’s frogs, toads and newts.

Richard Collins says breeding habits of gentle cetacean remain a mystery.