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Plectropterus gambensis, spurred wings of. Ploceus. Plovers, wing-spurs of; double moult in. Plumage, changes of, inheritance of, by fowls; tendency to analogous variation in; display of, by male birds; changes of, in relation to season; immature, of birds; colour of, in relation to protection. Plumes on the head in birds, difference of, in the sexes. Pneumora, structure of.
But it does not appear that the spurs in this case, or in that of some of the spur-winged rails, are larger in the male than in the female. For the Egyptian goose, see Macgillivray, 'British Birds, vol. iv. p. 639. For Plectropterus, Livingstone's 'Travels, p. 254. For Palamedea, Brehm's 'Thierleben, B. iv. s. 740.
In the spur-winged goose, Plectropterus gambensis, the males have much larger spurs than the females; and they use them, as I am informed by Mr. Bartlett, in fighting together, so that, in this case, the wing-spurs serve as sexual weapons; but according to Livingstone, they are chiefly used in the defence of the young.
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