Rusty Blackbirds: Going, Going, Hopefully Not Gone
Rusty Blackbirds, considered common to abundant one-hundred years ago, have declined precipitously during the last four decades. Estimates of decline vary between 85 percent, based on Christmas Bird Counts, and 97 percent, based on Breeding Bird Survey results along the southern margin of the Rusty’s breeding range. The losses are staggering. Uncertainty is high, Rusty Blackbirds are difficult to find and count during winter. Christmas Bird Counts find small numbers. Breeding Bird Surveys barely penetrate their northern breeding range. But everyone agrees that the formerly abundant Rusty Blackbird is now uncommon to rare almost everywhere it is found, and the species is in trouble.
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