It pays not to put all your eggs in one basket

This enigmatic eastern vagrant has become a mega-rarity, writes David Lindo …

The hatchlings of the giant Amazon River turtle (Podocnemis expansa) in Guaporé, southern Brazil, have been waiting for exactly the right conditions to break free, Sir David Attenborough’s voiceover t

A new book of bird photography celebrates not only the avian world, but the photographers using creative techniques to produce original artworks, from characterful studio portraits to eye-catching abstracts, writes Graeme Green

Suited to dazzle and trilling a joyous song, the goldfinch weaves its magic in both the countryside and garden

After facing extinction as a British breeder, this handsome small bird has bounced back, writes Ian Parsons …

Check your answers against our explanations. Remember, there are no ‘trick’ birds or extreme rarities among these...