Wednesday, April 24, 2013

Swamp Sparrow

Mowbray (1997) writes that no data exist for Swamp Sparrow nutrition, metabolism, energetics, or temperature regulation. Erika and I came upon this sparrow after a record cold night last Saturday in the Minnesota Valley National Wildlife Refuge in Bloomington, Minnesota. The bird was more interested in the seeds melting from the ice than us.

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