Migratory Birds of the Great Lakes University of Wisconsin Sea Grant Institute
 about habitat birds + science 20 birds
aerialist raptors
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Least Bittern ó Great Lakes Habitat

Least Bitterns prefer freshwater marshes with tall stands of cattails or other emergent vegetation. The Great Lakes region is near the northern limit of this birdís North American range. The bittern seldom flies, spending most of its time stalking through dense marshes, looking for a meal of small fish, insects, tadpoles, frogs, small snakes, leeches and crayfish.