. 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 . GUCULIBJE—COCCYGINM: AMEBICAN CUCKOOS. 475 saddled on a branch or in a fork. Though not habitually parasitic, they often slip an egg inother birds nests, or in each others. Oviposi
. 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 . GUCULIBJE—COCCYGINM: AMEBICAN CUCKOOS. 475 saddled on a branch or in a fork. Though not habitually parasitic, they often slip an egg inother birds nests, or in each others. Oviposition is tardy or irregular; the nests usually con-tain eggs in different stages of development, or eggs and young together. They are well-knowninhabitants of our streets and parks as well as of woodland, noted for their loud, jerky ci-ies,which they are supposed to utter most frequently in falling weather, whence their popularname, rain-crow. Migratory, insectivorous, and frugivorous. Analysis of black and bluish. White below. Wings with little or no cinnamon. Tail-feathers not broadly white-ended. erythrophthalmus 428Bill blaclc and yellow. Tail-feathers broadly white-ended. White below. Wings extensively cinnamon . . , americanus 429 Tawny below. Ears dusky . . seniculus 430. Fig- 327. — Yellow-billed Cuckoo, i nat. size. (From Biehm.) 428. C. erythrophthalmus. (Gr. ipvdpos, eruthros, reddish ; 6^Ba\fW9, ophthalmos, eye.) Black-billed Cuckoo. ^ ? : Bill blackish except occasionally a,trace of yellowish, usually bluishat base below. Above, satiny olive-gray. Below, pure white, sometimes with a faint tawnytinge on the fore-parts. Wings with little or no rufous. Lateral tail-feathers not contrastingwith the central, their tips for a short distance blackish, then obscurely white ; no bold contrastof black with large white spaces. Bare circumocular space livid: edges of eyelids red. ; extent about ; wing ; tail ; bill und
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1896
