[Tweeters] Mockingbirds, what are they mocking?

John Whitehead jirvingw at comcast.net
Sat Jul 16 19:34:19 PDT 2016

A couple of years ago I heard one mocking sirens , at the south end of
the San Francisco Bay Refuge near Alviso. It was mocking other things
too don't remember what , but it was very entertaining.

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