30 Birds

28/ Taxonomic Birding


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Sometimes you can add a bird to your list while you are sleeping. This is not a feat of somnambulating, but a feat of taxonomy. Those busy people who hover over the Class Aves like hummingbirds at a trumpet flower -- the avian taxonomists -- are continually revising their notions of where each particular species ends and the next one begins. They do this based on their research into things like breeding behavior, vocalization, DNA.

A list of the many topics brought up in this chapter can be found in Addendum.
See Photo Credits for who provided us with this magnificent image.

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Birds treated, but not featured (see Photo Credits):