. A history of birds . III. 22.—The Display of the Great Bustard {Otis tarda)The upper figure shows one of the preparatory stages of the display. THE RELATIONS OF THE SEXES 155 aqiiila during the time that he was engaged in the explorationof Christmas Island (Indian Ocean). About the beginning of January, he remarks, the adultmales begin to acquire [a] remarkable pouch of scarlet skinbeneath their throat. This they can inflate till it is nearly aslarge as the rest of the body, and a dozen or more of thesebirds sitting on a tree with outstretched drooping wings andthis great scarlet bladder und
. A history of birds . III. 22.—The Display of the Great Bustard {Otis tarda)The upper figure shows one of the preparatory stages of the display. THE RELATIONS OF THE SEXES 155 aqiiila during the time that he was engaged in the explorationof Christmas Island (Indian Ocean). About the beginning of January, he remarks, the adultmales begin to acquire [a] remarkable pouch of scarlet skinbeneath their throat. This they can inflate till it is nearly aslarge as the rest of the body, and a dozen or more of thesebirds sitting on a tree with outstretched drooping wings andthis great scarlet bladder under their heads are a most remark-able sight. When a hen-bird approaches the tree the malesutter a peculiar cry, a sort of wow-wow-wow-wow and clattertheir beaks like castanets, at the same time shaking the they take to flight the air is allowed to escape from thepouch, but occasionally they might be seen flying with it partlyinflated. This pouch, it should be remarked, is not formed by inflatingthe gullet,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1910
