Stránka:book 1913.djvu/363

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Natural History

white; its bill black, with a yellow spot near the eye. It is found generally throughout North America but is rare now, Bittern {Botaurus lengtiginosus) . This bird of marshes is about twenty-eight inches long and can stand nearly three feet high. Its general color is warm yellowish brown splashed with dark brown. The black mark on the side Bittern Great Blue Heron of the neck is a strong feature, and its bright green legs and beak are very distinctive. It is famous for its guttural call notes in the marshes, and is found throughout North America up to about latitude 60 in the interior. Great Blue Heron (Ardea herodias). This bird is com- monly called Blue Crane. Its great size will distinguish it. In general it is blue-gray above, white below; head,