Greenfinches can suffer from trichomonosis
Scientists have been studying the transmission of diseases in garden birds. 
Ornithologist Mike Toms shares his knowledge of bird migration. 
Margaret Morse Nice
All too often the world of birds is associated mainly with men. Jo Wimpenny remembers some brilliant but overlooked women who advanced our knowledge of birds.
Rock Ptarmigan
Clare Kines photographs his local wildlife in the Canadian High Arctic.
Common crane
One of the world's very best bird photographers takes a look back at some of his very best images.
Researchers have been studying groups of Australian magpies.
Wolves were blamed for the death of a tourist in Greece, but there is little evidence linking them to the attack, says Yorgos Iliopoulos. 
Measuring only 14.5cm in length, this leg bone is estimated to sell for between £2000 and £3000.
Tawny owl at roost in woodland (captive bird)
BBC Wildlife writer Mike Toms answers your wild question.
Black kite at a fire
Meet the aerial arsonists that are potentially setting forests ablaze deliberately.
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