21. Bullfinch Pyrrhula pyrrhula
Female Bullfinch, Knutsford, Cheshire, England
The dry, scaly encrustations on this female's leg may be caused
by mites of the genus Knemidocoptes, rather than the Fringilla
papillomavirus which causes the warty growths on the legs of Chaffinches.
All photographs ©Sheila Blamire 2006