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 two inches long, and the so-called Alpine Chough ( P . graculus), which has a shorter, stouter and straighter yellow beak. Our photographs of th...

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