Black Necked Stilt Feeding. San Joaquin Valley, California. February 27, 2015. © Copyright 2015 G Dan Mitchell – all rights reserved.

A black necked stilt feeds in a San Joaquin Valley wetland marsh

Something that quickly becomes apparent when you are around a variety of birds, especially those that live in and around water, is the tremendous range of specific adaptations they have made in order to be successful in rather narrow ecological niches. I first recall seeing this when I was much younger and someone, probably a middle school science teacher, pointed out that birds along the San Francisco Bay shoreline often were distributed in water of varying depths that suited the lengths of their beaks and legs. The same sort of thing is visible in these California Central Valley wetlands, where some birds are adapted to dry land, others to hunting in the brush, and others to success in varying depths of water.

The black-necked stilt is a very attractive bird, with its striking white and black plumage, its thin beak, and its tremendously long red legs. It is also a highly adapted bird — those long legs and back let it forage in slightly deeper water. Most often I see them in somewhat shallower water than seen here, where the bird’s legs are visible above the water line. But this one was making maximum good use of its long legs, which are just long enough to keep it out of the water as it feeds. A moment after I made this photograph the bird took off.

G Dan Mitchell is a California photographer and visual opportunist whose subjects include the Pacific coast, redwood forests, central California oak/grasslands, the Sierra Nevada, California deserts, urban landscapes, night photography, and more.
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