EPOW - Ecology Picture of the Week

Each week a different image of our fascinating environment is featured, along with a brief explanation written by a professional ecologist.

18-24 August 2003

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Vaux's Swift

 

Vaux's Swift (Chaetura vauxi)

Credit & Copyright: Dr. Bruce G. Marcot

Explanation:   A fleeting streak across the blue ... a Vaux's Swift, breeding denizen of old-growth forests of the western U.S. and southwestern Canada.  This blurry smudge of a tiny aerial acrobat is feeding on flying insects on the wing, and is part of a larger breeding colony of 8-10 birds that nested in my chimney.  I taped its calls and annotated a surprisingly varied repertoire of vocalizations and sounds from this non-songbird.

Next week's picture:  Flap-neck Chameleon

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