After significant declines in population during much of the 20th century, our national symbol has made a comeback in many areas since the 1970s. (Photo: Jan DeNapoli/Audubon Photography Awards/Top 100)
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Photo: Jan DeNapoli/Audubon Photography Awards, Top 100

The Audubon Bird Guide

Whooper Swan

Cygnus cygnus

Sky Lark

Alauda arvensis


Mergellus albellus

Flame-colored Tanager

Piranga bidentata