Птица

Редкие птицы мира

Дана характеристика современного состояния фауны птиц в различных частях света, ...

Hummingbirds: A Life-size Guide to Every Species

Hummingbirds have always held popular appeal, with their visual brilliance, extraordinary flight dexterity, jewel-like color, and remarkably small ...

The Migration Ecology of Birds

The Migration Ecology of Birds