Field identification of Snowy Egret.
When discussing the problem of distinguishing the Snowy Egret Egretta thula from the Little Egret E. garzetta in the field, Stanley Cramp (Brit. Birds 70: 206-214) and I. J . Ferguson-Lees (in Cramp & Simmons, 1977, The Birds of the Western Palearctic, vol. 1) stated that the scapular plumes ('aigrettes') of the Snowy Egret are recurved
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