...The hen ostrich is of a dark brownish-gray color, and so are the half-grown cocks... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...He visited the native traders first, and then came to me with two cocks as a present...
David Livingstone 「Missionary Travels and Researches in South Africa」
...Two of the Cocks squaring up for Battle...
George Murray Levick 「Antarctic Penguins」
...Once I saw two cocks fighting, and a hen takingthe part of one of the cocks, the pair of them gavethe other a fearful hammering, the hen usingher bill savagely as well as her flippers...
George Murray Levick 「Antarctic Penguins」
...Taking advantage of its being matted soclosely from the early frosts, the old cocks hid underthe thick tufts and called for close work on the partof our dogs...
W. E. Webb 「Buffalo Land」
...The chickens were hatched in the spring, and in the latter part of August several of the young cocks began to exhibit a change, which with some of them increased during the following years...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Game fowls are notorious for their pugnacity; and the young cocks crow, clap their little wings, and obstinately fight with each other, even whilst under their mother's care...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...They weighfrom eight to twelve ounces each for the hens; and the cocks, fromsixteen to twenty ounces...
Robert Jennings 「Sheep, Swine, and Poultry」
...Theneck-feathers of some of the cocks are tinged with a bright gold color,and those of some of the hens bear a silvery complexion...
Robert Jennings 「Sheep, Swine, and Poultry」
...Of superior specimens, the cocks weigh from seven to ninepounds, and the hens from six to eight...
Robert Jennings 「Sheep, Swine, and Poultry」
...According to this theory, then,one hen would be the perpetual mother of cocks, and another theperpetual producer of pullets; which is absurd, as daily experienceproves...
Robert Jennings 「Sheep, Swine, and Poultry」
...There are, indeed, no known means of determining beforehand the sex offowl; except, perhaps, that cocks may be more likely to issue from largeeggs, and hens from small ones...
Robert Jennings 「Sheep, Swine, and Poultry」
ランダム例文：
catechisms dug propensities
便利！手書き漢字入力検索
この漢字は何でしょう？？