. The birds of Illinois and Wisconsin . 1895, p. 125. Distr.: Southern portion of North America, West Indies, Centraland greater portion of South America; breeds in eastern United Statesfrom North Carolina and Illinois to the Gulf; accidental in NewEngland. Aduli: General plumage, black; head and neck, bare, the skinblack; under surface of wings tinged with hoary white; shafts ofprimaries, white; bill, blackish. * Dunn, The Auk, iSos, P- .■i94- Gault, Wilson Bull., No. o, iSg6, p. 3, etc. 450 Field Museum of Natural History — Zoology, Vol. IX. Sexes similar. Length, 23 to 26; wing, 16 to
. The birds of Illinois and Wisconsin . 1895, p. 125. Distr.: Southern portion of North America, West Indies, Centraland greater portion of South America; breeds in eastern United Statesfrom North Carolina and Illinois to the Gulf; accidental in NewEngland. Aduli: General plumage, black; head and neck, bare, the skinblack; under surface of wings tinged with hoary white; shafts ofprimaries, white; bill, blackish. * Dunn, The Auk, iSos, P- .■i94- Gault, Wilson Bull., No. o, iSg6, p. 3, etc. 450 Field Museum of Natural History — Zoology, Vol. IX. Sexes similar. Length, 23 to 26; wing, 16 to : bill, The Black Vulture is not uncommon in southern Illinois, and ac-cording to Prof. Ridgway (Orn. of Illinois, Vol. I, 1889, p. 492) occursat least as far north as Mt. Carmel. It has apparently not been takenin Wisconsin. Kumlien and Hollister (Birds of Wisconsin, 1903, p. 131.) write:We do not consider the records of this species for Wisconsinsufficiently authentic to warrant us in giving it a place at the presenttime. 1. Black Vulture. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 451 Suborder FALCONES. Hawks, Falcons, Eagles, Kites, etc. Family FALCONID^. Hawks, Falcons,Eagles, Kites, etc. About 350 species belong to this family, widely distributedthroughout the w^orld. As a rule they do not feed on dead animalsunless forced by himger to do so, but delight in the pursuit and cap-ture of their prey. Their choice of food differs with various species,but the majority of them kill birds, mammals and small Bald Eagle has a partiality for fish, which he occasionally catchesfor himself or finds dead on the shore, but a large portion of his larderis supplied by the Fish Hawks or Ospreys, which are forced aftercatching their prey to give it up to their more powerful rival. Whilehawks may occasionally kill a few chickens and song birds, the greaterportion of them are a decided benefit to the agriculturist. Theyare not gregarious, but a few species as
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