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The American robin is the state bird of Wisconsin. This list of birds of Wisconsin includes species documented in the U.S. state of Wisconsin and accepted by the Records Committee of the Wisconsin Society for Ornithology (WSORC). As of July 2022 there were 441 species and a species pair included in the official list. Of them, 96 are classed as accidental, 34 are classed as casual, 53 are ...
They are distributed among 36 genera, six of which have only one species. One species, the Bermuda flicker, is extinct . [ 1 ] The family's taxonomy is unsettled; the Clements taxonomy lists 235 species [ 2 ] and BirdLife International 's Handbook of the Birds of the World lists 254 [ 3 ] .
The largest surviving species is the great slaty woodpecker, which weighs 430 g (15 oz) on average and up to 563 g (19.9 oz), and measures 45 to 55 cm (18 to 22 in), but the extinct imperial woodpecker, at 55 to 61 cm (22 to 24 in), and ivory-billed woodpecker, around 48 to 53 cm (19 to 21 in) and 516 g (18.2 oz), were probably both larger.
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The hammering of woodpeckers when drumming or feeding creates great forces which are potentially damaging to the birds. [23] In the great spotted woodpecker and most of its relatives, the hinge where the front of the skull connects with the upper mandible is folded inwards, tensioned by a muscle that braces it against the shock of the impact ...
This bird is normally a permanent resident, but northern birds may move south and birds at high elevations may move to lower levels in winter. Three-toed woodpeckers forage on conifers in search of wood-boring beetle larvae or other insects. They may also eat fruit and tree sap.
Lewis's woodpecker nests in a cavity excavated from a dead tree branch. The Lewis's woodpecker, however, will not excavate its own cavity, but instead nest in a pre-existing cavity in a tree. The nest are usually made around 1 to 52 meters high from the ground. [15] The female will lay between 5 and 9 eggs, which are plain white in coloration.
Colaptes is a genus of birds in the woodpecker family Picidae. The 14 species are found across the Americas. The 14 species are found across the Americas. Colaptes woodpeckers typically have a brown or green back and wings with black barring, and a beige to yellowish underside, with black spotting or barring.