This morning I went birding at Sweetwater Wetlands in Tucson. While scanning through a bunch of ducks in search of a female Eurasian Wigeon, I found an interesting hybrid duck hanging out with some Gadwall. It was a combination I’d seen once before in south Texas. Known as a Brewer’s Duck, this is a hybrid between Mallard and Gadwall. Audubon illustrated it in fact, and described it as Anas breweri.
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