Charadriiformes
Diversity of forms of Charadriiformes.
Send comments
Calidris pugnax
Ruff
Male in nuptial plumage.
Polska, Podlaskie, Bronowo.
4/9/2016
AE035'11-160409023'JJK
Male's nuptial plumage is individualised to such degree that two identical birds have been never found.