. The birds of eastern North America known to occur east of the nineteenth meridian .. . General pluman-e, white; bill, yellow; leiis, black. Anhur/(jrctta. American Egret. See No. General ))lumai;e, white: leiis. dark olive: terminal half of bill, black; basal half,flesh color (white [ihase). ^Irdni ntfisrcHs. Reddish Egret. See No. ;). Head and neck, rufous chestnut; rest of plumage, sIMe color, or slaty uray. Artlcii Reddish Nd. 15,). General plumaiie, yellow brown, mottled and streaked with dark brown; upper smlace ofprimaries, blackish. Botaurus lentijinoit
. The birds of eastern North America known to occur east of the nineteenth meridian .. . General pluman-e, white; bill, yellow; leiis, black. Anhur/(jrctta. American Egret. See No. General ))lumai;e, white: leiis. dark olive: terminal half of bill, black; basal half,flesh color (white [ihase). ^Irdni ntfisrcHs. Reddish Egret. See No. ;). Head and neck, rufous chestnut; rest of plumage, sIMe color, or slaty uray. Artlcii Reddish Nd. 15,). General plumaiie, yellow brown, mottled and streaked with dark brown; upper smlace ofprimaries, blackish. Botaurus lentijinoitHs. American Bittern. See No. * For (iirections for measaienioiit, sec pii-je 9. 94 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. * Group 5. Wing, over 15 inches long. Pluinaice. entirely white; win;;-, over 17 inches; )>ili, over ; tarsus, over Ardea occiaeidalis. Great White Heron. See No. l-ls. Plumage, entirely white; wing, less than 17 inches long: bill, under ; tarsusunder l.^a. Ardea egrcWt. American Egret, See No. Greater part of upper plumage, bluish gray or slaty gray; adults in breeding havemiddle of ci-own and throat, white; bill, less than ; immature birds have the toi> of thehead, black. Ardea herodias. Great Blue Heron. See No. 151. Similar to Great Blue Heron, but larger; bill, over Occurs only in Florida. Ardra vardi. Wards Heron. See No. 150. Top of head and sometimes greater portion of head, white; wings and back, bluish slatvgray; general appearance of Wards Heron except color of head. Occurs only inFlorida; probably a color pliase of Ardea uccidentitlis. Ardea wuerdemanni. Wuerdemans No. 149. * For directions for iiifasuremeiit, see page y. FAMILY GHUII)-E. CRANES. 95 ORDER PALUDECOL/K. Cranes, Rails, Courlans. FAHILY QRUID/E. Cranes. Bill, over 3 inches long; wing, over 16 inches; tarsus, over 7 inches;toes, four, no comb=!ike edge on inner side of middle toe nail ; hind toe,elevated above level of
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