Black Swan (Cygnus atratus), Lakeside, San Diego County, California. The green stuff in the water is algae.
Black Swans are mostly black-feathered birds, with white flight feathers. The bill is bright red, with a pale bar and tip; and legs and feet are greyish-black. A mature Black Swan measures 43-56 inches in length and its wing span is 5.2-6.6 ft). The neck is long (relatively the longest neck among the swans) and curved in an S-shape. The Black Swan utters a musical and far reaching bugle-like sound, called either on the water or in flight, as well as a range of softer crooning notes. It can also whistle, especially when disturbed while breeding and nesting. When swimming, Black Swans hold their necks arched or erect, and often carry their feathers or wings raised in an aggressive display. In flight, a wedge of Black Swans will form as a line or a V, with the individual birds flying strongly with undulating long necks, making whistling sounds with their wings and baying, bugling or trumpeting calls. (info from Wikipedia)
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Wild America, 08/18/2014
Copyright ï¿½ Ram Vasudev. All rights reserved.
April 4th, 2014
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