...The mating season occurred when the herd was on its summer range... 
William T. Hornaday 「The Extermination of the American Bison」
...I had not seen the trail of any other deer during the morning although it was in the height of the mating season, or as us common folks call it, the running season...
Eldred Nathaniel Woodcock 「Fifty Years a Hunter and Trapper」
...After mating, their behaviour as wellas various outward signs serve to distinguish malefrom female...
George Murray Levick 「Antarctic Penguins」
...In regard to the mating of the birds, the followingmost interesting customs seemed to be prevalent...
George Murray Levick 「Antarctic Penguins」
...I am told that this marking is done during the mating season...
Elmer Harry Kreps 「Science of Trapping」
... For a more detailed discussion of the principles of breedingas applied to chickens and which is equally applicable to ducks,the reader is referred to "The Mating and Breeding of Poultry"by Harry M...
Harry M. Lamon 「Ducks and Geese」
...Where old birds are used asbreeders better results will be secured by mating oldducks to a young drake or vice versa than by matingtogether old birds of both sexes...
Harry M. Lamon 「Ducks and Geese」
...Size of Mating...
Harry M. Lamon 「Ducks and Geese」
...Some ganders are very troublesome about mating...
Harry M. Lamon 「Ducks and Geese」
...Thesebirds breed very true in type and color and progressin the mating simply consists of continuing to selectthose birds for breeders which show markings in thegreatest excellence...
Harry M. Lamon 「Ducks and Geese」
...Courtship and mating behavior in snakes...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...Movements such as are associated with courting and mating, escaping severe weather, escaping from predators, and caring for young are seasonal or irregular in occurrence...
Donald W. Janes 「Home Range and Movements of the Eastern Cottontail in Kansas」
...Again, in early spring during the mating season, themales travel considerably...
A. R. Harding 「Fur Farming」
...During the mating season they also wander away from thestreams more than at other times...
A. R. Harding 「Fur Farming」
...The first two weeks of March is the minks' season for mating, and theyoung—from four to six—are born about six weeks later...
A. R. Harding 「Fur Farming」
...The mating season comes mainly, late in February or early in March, andthe young, from four to six in number, are born in April and thebeginning of May...
A. R. Harding 「Fur Farming」
...For spotted tabby the best brown are those got by mating a spotted redtabby, the darker the better, and a brown and black spotted female...
Harrison Weir 「Our Cats and All About Them」
...They have taken the chancevariations in form and habit and endeavored to extend these sports ofnature by a careful system of mating those in which the singularfeatures were most evident...
Nathaniel Southgate Shaler 「Domesticated Animals」
...This mating produced some chickens havingthe color of the sire, but larger and more robust...
John H. Robinson 「Our Domestic Birds」
...Theobject of mating them before they are fully mature is to prevent themfrom selecting for themselves partners contrary to the ideas of thebreeder...
John H. Robinson 「Our Domestic Birds」
...Out of the north came the mating call of a loon...
James Oliver Curwood 「Baree, Son of Kazan」
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