Sisdoallologahallan “...Birds and humans: a historical perspective -- Introduction: the world of birds -- A guide to bird watching -- Form and function: the external bird -- What's inside: anatomy and physiology -- Birds on the move: flight and migration -- Evolution of birds and avian flight -- Understanding bird behavior -- Vocal behavior -- Nests, eggs, and young: breeding biology of birds -- Individuals, populations, and communities: the ecology of birds -- Bird conservation....”

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