Thursday, April 23, 2015

Bewick’s Wren

On one morning’s walk near Dallas, Texas, I heard an unfamiliar bird song. It sounded vaguely like a Song Sparrow with a loud trill. I made bird noises—squeaking and such—and attracted the songster’s attention—a Bewick’s Wren.

My not knowing the Bewick’s Wren’s call may be forgiven, as the species has mostly disappeared from the eastern United States. Now they are a bird of the West (see my 2012 post). One field mark worth noting is this wren’s tail, much longer than the somewhat similar Carolina Wren. This particular wren, however, was too shy to let me photograph its tail.

Bewick’s calls vary greatly across their range. Males learn their songs from neighboring birds and they tend to have large repertoires (Kennedy and White 2013). These repertoires gradually change geographically. Here is a link to several Bewick’s Wren songs.

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