Day 160: Having recently extended its range into Washington, Eurasian Collared Doves (Streptopelia decaocto) are appearing at backyard feeders (including mine) in growing numbers. This introduced species has not yet been classified as "invasive" to the best of my knowledge, but its hardiness is allowing it to out-compete native species such as Mourning Doves in many localities. It hasn't made a marked decrease in the number of Band-Tailed Pigeons in my yard, though.
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