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Олонецкие весенние скопления птиц. Гуси

В монографии впервые детально описаны крупнейшие в Европе весенние стоянки гусей ...

Birds of the World: Nature Guide

Have the world in your hands with these compact, illustrated natural history guides. From the black swan to the ruby-throated hummingbird, leaf ...

Stokes Field Guide to Warblers

Hailed on the cover of the Birding magazine (winter 2003) as «birding’s first family,» the Stokeses are increasingly recognized as America’s ...