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California Least Tern
A California least tern is pictured at right looking after a fledgling. The California least tern is a subspecies of least tern that breeds primarily in bays of the Pacific Ocean within a very limited range of Southern California, in San Francisco Bay and in northern regions of Mexico. This migratory bird is a U.S. federally listed endangered subspecies.

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Photo by: U.S. Fish and Wildlife Service |  VIRIN: 200401-A-UT290-1005.JPG