. The animans and man; an elementary textbook of zoology and human physiology. tting acquainted with per-haps fifty or sixty differentkinds. As birds can usuallybe readily identified by theirsize and shape, and the colorpattern of their plumage, thisclass is especially well adapt-ed for the beginning study ofsystematic zoology, which con-cerns the identification andclassification of species. There are many good birdbooks to enable students to learnthe different kinds. For Westernbirds Florence Merriam BaileysHandbook of Birds of the WesternUnited States will be the mostuseful. For Eastern bird
. The animans and man; an elementary textbook of zoology and human physiology. tting acquainted with per-haps fifty or sixty differentkinds. As birds can usuallybe readily identified by theirsize and shape, and the colorpattern of their plumage, thisclass is especially well adapt-ed for the beginning study ofsystematic zoology, which con-cerns the identification andclassification of species. There are many good birdbooks to enable students to learnthe different kinds. For Westernbirds Florence Merriam BaileysHandbook of Birds of the WesternUnited States will be the mostuseful. For Eastern birds FrankChapmans Handbook of the Birdsof Eastern North America mayberecommended. Birds and the trying to become acquaint-ed with the birds of a localityit must be borne in mind thatthe bird-fauna of any regionvaries with the season. Somebirds live in it all the yearthrough; these are called resi-dents. Some spend only thesummer or breeding seasonin the locality, coming upfrom the South in spring andflying back in autumn; theseare summer residents. Some WJ !• tr. FIG. 116. Xest and eggs of theruby-throat humming-bird, Tro-chilus colubris, seen from above,in an apple-tree. (Photographby E. G. Tabor, permission ofThe Macmillan Co.) 222 THE ANIMALS AND MAN spend only the winter in the locality, coming down fromthe severer North at the beginning of winter, and goingback with the coming of spring; these are winter are to be found in the locality only in spring andautumn, as they are migrating north and south betweentheir tropical winter quarters and their northern summeror breeding home; these are migrants. And, finally, anoccasional representative of certain bird species, whose normalrange does not include the given locality at all, will appearnow and then, blown aside from its regular path of migra-tion, or otherwise astray; these are visitants. As to therelative importance, numerically, of these various categoriesamong the birds which may be found in a
Size: 926px × 2698px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookd, booksubjectphysiology, booksubjectzoology
