. Les oiseaux de l'Illinois et du Wisconsin . brun ayish. Longueur, environ 12; aile, 5.75; bec, 52; tarse, 80; queue, 5.40. Le Mourning Dove est un résident d'été commun dans le nord de l'Illinois et du Wisconsin et quelques-uns restent en hiver. Dans l'Illinois du sud-est, c'est un résident permanent. La note bourrée de thème suggère son nom. Le nid est un tapis de brindilles habituellement dans un arbre, parfois sur le sol. Les oeufs sont blancs, deux en nombre, et mesurent environ 1,05X 0,85 pouces. La collection Field Museum contient une série d'oeufs de sélsof de cette espèce pris dans le nord de l'Illinois, entre mai lothan

• Contributeur: Reading Room 2020 / Alamy Banque D'Images
• ID de l’image: 2CNE1FJ
• Taille du fichier: 7,2 MB (536 KB Téléchargement compressé)
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• Dimensions: 1459 x 1713 px | 24,7 x 29 cm | 9,7 x 11,4 inches | 150dpi

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. The birds of Illinois and Wisconsin . ayish brown. Length, about 12; wing, 5.75; bill, .52; tarsus, .80; tail, 5.40. The Mourning Dove is a common summer resident in northernIllinois and Wisconsin and a few remain during the winter. In south-ern Illinois it is a permanent resident. The mournful note of themale suggests its name. The nest is a mat of twigs usually in a tree, occasionally on theground. The eggs are white, two in number, and measure about 1.05X .85 inches. The Field Museum collection contains a series of setsof eggs ot this species taken in northern Illinois, between May lothand June 2gth. ORDER RAPTORES. BIRDS OF PREY.Suborder SARCORHAMPH1. American Vultures. Family CATHARTIDiE. American ^y Vultures. The Vultures are scavengers. The presence of a dead animal isoften indicated by numbers of them roosting in trees or circling slowlyabout in its vicinity. Except during the nesting season, they areusually found in flocks. Their sense of sight is very keen, enablingthem to distinguish objects at great distances.. Turkey Vulture.448 Jax., 1909. Birds of Illixois axd Wiscoxsix — Cory. 449 Genus CATHARTES Illiger. 149. Cathartes aura septentrionalis (Wied).Turkey Vulture. Turkey Buzz.rd. Distr.: Greater part of North, Central and South America, fromNew Jersey and British Columbia to Patagonia; accidental in NewEngland. Adult: General plumage, sooty brown, the feathers being black, edged with dark grayish brown; head and neck, bare, the skin, red ;bill, brownish white; tail, black, with light brown shafts. Immature birds have the head and neck covered with grayishbrown, downy feathers. Length, 28 to 30; wing, 22 to 24; bill, 2.35. The Turkey Buzzard is an abundant resident in southern Illinois.It is rather rare in the northern part of the state, but has beenobserved on several occasions in the vicinity of Chicago. * Mr.Ruthven Deane informs me he observed a bird of this species atHighland Park. Illinois, on June 28, 1908. It occurs more or lessregularly in

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