The ABA’s 50th Anniversary and Information: From Scarce to Abundant
10,000 Birds
FEBRUARY 12, 2019
There has been an explosion in field guides as well, with many excellent guides for North America (and virtually anywhere else on the planet ) as well as comprehensive volumes dedicated to specific types of birds such as raptors , warblers , hummingbirds , owls , gulls , waterfowl , and seabirds , among others.
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