Abstracts

01 August 1941
Comments Reviews Wuczeticz (1939). " Seasonal distribution and migration of ducks (subiam. Anatina) on the base of bird-ringing in the U.S.S.R. III. The Gadwall--Anas strepera L.; the Shoveler--Spatula clypeata (L.) ; the Wigeon--Mar tea penelope (L.)." Moscow (Russian a...
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