< Page:Cassell's book of birds (IA cassellsbookofbi04breh).pdf
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rivers, and muddy shores, in search of insects, molluscs, worms, and crustaceans, that form their

principal means of subsistence; they also consume grass and other vegetable matter.

THE SHOVELER DUCK (Spatula clypeata). ONE-FOURTH NATURAL SIZE.

The remarkable beak possessed by these birds is admirably suited for the use to which it is destined, its laminated sides being furnished with numerous nerves, which endow it with a delicate sense of touch, enabling it at once to select such matters as are fitted for sustenance. The nest, which is placed on a tuft of herbage, is composed of fine grass, the eggs being carefully covered with down from the mother's breast. The eggs are of a buffy white, tinged with green; their size is about two inches two lines by one inch six lines.


THE MUSK DUCK.

The Musk Duck (Cairina moschata) is recognisable by its slender rounded body, tolerably slender neck, and large head, and by its comparatively long powerful beak, which is elevated at its base. The bare bridles are covered with large fleshy warts, and the claws are short and broad. The proportionately short wings have the third quill longer than the rest. The tail is strong and rounded, and composed of eighteen feathers. The plumage of the male is principally brownish black; the top of the head brownish green; the rump, wings, and rest of the upper part of the body are shaded with metallic green and purple-violet. The quills are green, shimmering with dark steel-blue; the wing-*covers mostly white, the under parts dull blackish brown; the under tail-covers shining green; the eye yellow; the naked places on the face brownish black; the warty excrescences dark red, partially spotted with black. The bill is black, with a cross stripe of blueish white just in front of the nostrils; towards the point it is of a pale flesh-colour. Length of male, thirty-two inches; breadth, forty-seven inches; length of wing, fourteen inches and a half; length of tail, seven inches and three-quarters. The female is considerably smaller than her mate, but in other respects they very much resemble each other.

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