The Little Blue Heron is a small, dark bird that ranges from 63-74 centimeters in length. It can have a wingspread of up to 1.04 meters. The sexes look similar, but the young look very different from the adults. An adult can be recognized by its purple-maroon head and neck. The rest of the plumage is slate gray. The long neck is usually held in an "S" shaped curve while the bird is at rest or in flight. The heron's long, slender bill curves slightly downward, and is also dark gray but has a black tip. The eyes are yellow and the legs and feet are dark. The young are unlike any other heron because they have all white body plumage. They have a blue bill with a black tip and dull green legs. They stay white through their first summer, fall, and into winter, but start molting in February into the dark color of an adult. (Terres 1980; Tarski 2001)
Average mass: 396 g.
Average mass: 215.6 g.
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