An online resource based on the award-winning nature guide

Colorful Breeding Season Changes in Heron Family

5-13-14  snowy egret3  300The changes birds experience in their appearance during the breeding season sometimes include a partial molt, resulting in a more colorful or ornate plumage in the spring. In addition, some species, such as those in the Heron family (herons, egrets and bitterns), undergo changes in the color of their bills, legs, feet and lores (area between eye and bill) during their brief period of courtship. As an example, Snowy Egrets (pictured), during most of the year, have featherless yellow patches of skin, or lores, at the base of their bill and greenish-yellow feet, but in the spring, their lores turn red and their feet a bright yellow-orange.

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