. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. Fi(i. l^i)2. — Common tern (titn-ita hirundo). teryx1). These are regarded as the most lowly developedof the birds ; the vanes of their feathers are not united,but separate to form a sort of hair-like covering to thebody. The African ostrich is the largest living bird. Itwanders in families or flocks in the deserts of Africa, andfeeds on grass, grain, and small animals. It also swallowsundigestible matters, such as stones, which probably aid 1 Fie. 293. SOS ZOOLOGY it in triturating its food. The nes
. Introduction to zoology; a guide to the study of animals, for the use of secondary schools;. Fi(i. l^i)2. — Common tern (titn-ita hirundo). teryx1). These are regarded as the most lowly developedof the birds ; the vanes of their feathers are not united,but separate to form a sort of hair-like covering to thebody. The African ostrich is the largest living bird. Itwanders in families or flocks in the deserts of Africa, andfeeds on grass, grain, and small animals. It also swallowsundigestible matters, such as stones, which probably aid 1 Fie. 293. SOS ZOOLOGY it in triturating its food. The nest consists of a hollowscooped out of the earth, into which about thirty eggs arelaid. Ostrich feathers are used for ornament, and soimportant is the commerce in these articles that ostriches. FIG. 293. — Apteryx australis with egg. From a specimen in the Royal Collegeof Surgeons, London. From Parker and Has well, Text-book of Zoology. are extensively farmed in South Africa. When reared incaptivity the eggs are hatched in an incubator, and theyoung carefully fed. The feathers are cut off and notpulled out, so that the operation of gathering the feathersis a painless one. THE ENGLISH SPARROW A XI) ITS ALLIES 300 Bird Migration. — The birds of any territory may beclassified on the basis of their residence into four groups :permanent residents, winter residents, summer residents,and transient visitants. In New York the permanentresidents are represented by the screech-owl, the crow,and the gold-finch. Winter visitants are represented bythe snow-bird and white-throated sparrow ; summer resi-dents by the wood-thrush, cut-bird, yellow warbler, bobo- J v link, and barn-swallow ; transient visitants by most of thewarblers, the fox-sparrow, and white-bellied swallow. As this cla
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Keywords: ., binomial=apteryxaustralis, common=brownki, egg, taxonomy
