. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . es . Ardea 2frr 60. Subfamily ARDEIN^: True Herons. Tail-feathers 12 (in all genera), broad and stiflf-ish. Powder-down tracts 3pairs. Tibiae naked toe not shorte
. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds . es . Ardea 2frr 60. Subfamily ARDEIN^: True Herons. Tail-feathers 12 (in all genera), broad and stiflf-ish. Powder-down tracts 3pairs. Tibiae naked toe not shorter than in-ner. Claws moderate, curved.(Embracing most of the spe-cies of the famUy, and aU ourspecies excepting the Bit-terns.) ARDEA. (Lat. ardea, aherou.) Great Heeoxs. Oflargest size. Neck and legsvery long, former well feath-ered all around. Tibiae exten-sively denuded below. Tarsuslonger than middle toe andclaw. Outer lateral toe longerthan inner. BiU shorter thantarsus, equal to or longer thanmiddle toe and claw. Colorsdark and varied, exceptionallywhite; back without length-ened loosened plumes; scapu-lars lanceolate, lengthened, butnot loosened; lower fore-neckwith lengthened feathei-s; headcrested, in breeding season withtwo long, slender, flowing, oc-cipital plumes. Sexes alike;young similar, but lacking aUlengthened feathers. Dichro-matic. (Genera 25 S-263 shouldbe reduced to subgenera ofArdea.). Fig. 457Audubon. -Great Blue Heron, greatly reduced. (From Tennev, after Analysis of Species. Tibiaeandedgeof wing white; occiput and plumes black. (Europe.) cinerea 657 Tibiae and edge of wing rufous; or whole plumage white. Occiput and plumes black; whole plumage varied. Bill 6 or less; tarsus 8 or less .... herodias 655 Occiputandplumes white; or, whole plumage white. Bill 6 or more; tarsus8 or more occidentalig 656 A. herodias. (Liit. herodias, a prober nanne ; Gr. epaSias, erodias, r heron. Fig. 457.) GreatBlue Heron. Of large size, and varied dark colors; not dichromat
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
