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GREBE (Fr. grebe) , the generally accepted name for all the birds of the family Podicipedidae,l belonging to the group Pygopodes of Illiger, members of which inhabit almost all parts of the world. Some systematic writers have distributed them into several so-called genera, but, with one exception, these seem to he insufficiently defined, and here it will be enough to allow but twoLatham's Podiceps and the Centropelma of Sclater and Salvin. Grebes are at once distinguishable from Great
all other water-birds by their rudimentary tail and the peculiar structure of their feet, which are not only placed far behind, but have the tarsi flattened and elongated toes furnished with broad lobes of skin and flat blunt nails. In Europe are five well-marked species of Podiceps, the commonest and smallest of which is the very well-known dab-chick of English ponds, P. fiuviatilis or minor , the little grebe of ornithologists, found throughout the British Islands, and with a wide range in the old world. Next in size are two species known as the eared and horned grebes, the former of which, P. nigricollis, is a visitor from the south
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' Often, but erroneously, written Podicipidae. The word Podiceps being a contracted form of Podicipes (cf. Gloger, Journal fur Ornithologie, 1854, p. 430, note), a combination of podex, podicis and pes, pedis, its further compounds must be in accordance with its derivation.from the genus Podiceps under the name Centropelma by Sclater and Salvin (Exot. Ornithology, p. 189, p1. xcv.), owing to the form of its bill, and the small size of its wings, which renders it absolutely flightless. Lake Titicaca in Bolivia is, so far as is known at present, its only habitat. Grebes in general, though averse from taking wing, have much greater power of flight than would seem possible on examination of their alar organs, and are capable of prolonged aerial journeys. Their plumage is short and close. Above it is commonly of some shade of brown, but beneath it is usually white, and so glossy as to be in much request for muffs and the trimming of ladies' dresses. Some species are remarkable for the crests or tippets, generally of a golden-chestnut colour, they assume in the breeding season. P. auritus is particularly remarkable in this respect, and when in its full nuptial attire presents an extraordinary aspect, the head (being surrounded, as it were, by a nimbus or aureole, such as that with which painters adorn saintly characters), reflecting the rays of light, glitters with a glory
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