Photographic studies of some Less Familiar birds: LXXXVI. Chough and Alpine Chough
01 March 1958
CHOUGHS (Pyrrhocorax spp.) are medium-sized crows with almost completely uniform blue-black plumage, striking red legs and a brightly-coloured beak. There are only two species--the common Chough ( P . pyrrhocorax), with a slender, decurved, red bill about...