. The world's birds a simple and popular classification of the birds of the world . THE WORLDS BIRDS. 89 Form.—Bill very short, strongly hooked, with a cereat the base ; feet with the shanks short or veryshort, always covered with many small scales,and four well-developed toes, the first and fourthturned back, the second and third forward; nowebs; wings varying from short to long; tailshort to very long. Head large; neck short ;body small. Plumage and Colouration.—Firm, and often powdery;colour very variable, usually brilliant; the prevailing. Head and foot of Parrot. colour is grass- or leaf-
. The world's birds a simple and popular classification of the birds of the world . THE WORLDS BIRDS. 89 Form.—Bill very short, strongly hooked, with a cereat the base ; feet with the shanks short or veryshort, always covered with many small scales,and four well-developed toes, the first and fourthturned back, the second and third forward; nowebs; wings varying from short to long; tailshort to very long. Head large; neck short ;body small. Plumage and Colouration.—Firm, and often powdery;colour very variable, usually brilliant; the prevailing. Head and foot of Parrot. colour is grass- or leaf-green, olive-green and brownbeing rare. Grey, black, and white are found, alsored, yellow, blue, and purple. A metallic gloss ishardly ever to be seen. No seasonal change;sexual differences comparatively rare. The youngusually resemble the adult female, but have darkereyes ; but some have a distinct immature —Very helpless, naked at first, afterwardssometimes clothed in fluffy down without markings ;they are fed by the parents, placing their bills inthose of the latter. 90 THE WORLDS BIRDS. Nest.—Usually none, a hole being dug out in a treeor bank, or an already existing one taken ad-vantage of. A few species of Love-birds (Agapornis) line thenest with shreds of bark, and one, the QuakerParrakeet [Myiopsittacus monachus) makes com-munistic nests of twigs, inhabited by severalpairs, each of-which has its own apartment. Eggs.—^Two or more ; white, glossy, and unspotted. Incubation.—Sixteen days (Budgerigar) to twent
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Keywords: ., bookcentury1900, bookdecade1900, bookidworldsbi, booksubjectbirds