...Eight species of Swans are known to occur all over the worldwith the exception of New Zealand and Africa... 
John Albert Leach 「An Australian Bird Book」
...Unlike most other birds, Swans and Ducks lose the whole oftheir wing feathers at once when moulting, so that for a shorttime they cannot fly...
John Albert Leach 「An Australian Bird Book」
...The Anatidæ of North America are placed in five well-marked subfamilies,the Mergansers (Merginæ), River Ducks (Anatinæ), Sea Ducks(Fuligulinæ), Geese (Anserinæ), and Swans (Cygninæ)...
Frank M. Chapman 「Color Key to North American Birds」
...Domesticfowls live to the age of twenty years; geese, fifty; while swans exceeda century...
Robert Jennings 「Sheep, Swine, and Poultry」
...It was regarded as aroyal bird, and the privilege of owning swans was granted only to thosein high station...
John H. Robinson 「Our Domestic Birds」
...But there would bethis difference: the cow would require a great deal of care, the swansvery little; the cow would eat salable food, the swans mostly wastefood...
John H. Robinson 「Our Domestic Birds」
...By this comparison it is not meant to suggest that a farmer mightprofitably replace his cows with swans...
John H. Robinson 「Our Domestic Birds」
...The methods of managing swans are much like the methods of managing wildgeese in captivity...
John H. Robinson 「Our Domestic Birds」
...If the swans with young must be fed, the usual practice is to throw thefood upon the water...
John H. Robinson 「Our Domestic Birds」
...Two of the Swans hetook alive to Dutchland andeverybody was greatly surprised...
Various 「Birds Illustrated by Color Photography [February, 1898]」
...All specimens fromKansas alleged to be of this species are actually Whistling Swans...
Harrison B Tordoff 「Check-list of the Birds of Kansas」
...The swans were very large ones—of the Trumpeter species—and one of them was cooked for supper...
Mayne Reid 「The Hunters' Feast」
...These are common to all birds of the genus Cygnus, and are therefore not peculiar to the swans of America...
Mayne Reid 「The Hunters' Feast」
...The small swans do not nest so far south, but pursue their course still onward to the Polar Sea...
Mayne Reid 「The Hunters' Feast」
...Where the muskrat (Fiber zibethicus) abounds, his dome-shaped dwelling—at that season, of course, deserted—serves often as the breeding-place boll? for the swans and wild geese...
Mayne Reid 「The Hunters' Feast」
...I had never seen Swans shot by torch-light, but I had employed the plan for killing deer, as you already know, and I was determined to make a trial of it upon the swans...
Mayne Reid 「The Hunters' Feast」
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