Feeder Cam by the House

What else would you expect, then, but a house sparrow? They’re now abundant across the U.S., and not many people’s favorite birds (here) because they evict cavity nesting birds.

abundance distribution from North American Breeding Bird Survey (BBS)

Yet, I get many pictures of them! WSBC6301As a conservationist, I’m guilty of just being annoyed by them and wanting them gone. As an ecologist, though, I admit they present an interesting case of geographic differentiation. These photos were (perhaps obviously, if you know me or follow this blog to now) taken in Wisconsin. Maybe if/when I move elsewhere, I’ll be able to get my own photos of other populations to compare. For now, though, this is all I (personally) have.

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