例文・使い方で印象づける「scaup」の覚え方
スポンサーリンク...American scaup duck, woodcock, ruffed grouse, wild turkey, pileatedwoodpecker, parrakeet, white-necked raven, American raven (all Prof... 
William T. Hornaday 「Our Vanishing Wild Life」
...The only two birdswhich show an increase in the past few years are the robinand lesser scaup...
William T. Hornaday 「Our Vanishing Wild Life」
...American Scaup Duck...
Chester A. Reed 「The Bird Book」
...Lesser Scaup Duck...
Chester A. Reed 「The Bird Book」
...The nesting habits arethe same as those of the Greater Scaup and theeggs are similar but smaller...
Chester A. Reed 「The Bird Book」
...Similar to the Lesser Scaup in size and plumage,except that it has a narrow chestnut collararound the neck, the back is black instead ofbarred with white, and the speculum is gray instead of white...
Chester A. Reed 「The Bird Book」
...American Scaup Duck (Aythya marila)...
Frank M. Chapman 「Color Key to North American Birds」
...Lesser Scaup Duck (Aythya affinis)...
Frank M. Chapman 「Color Key to North American Birds」
...—Olmstead observed Lesser Scaup 10 mi...
Emil K. Urban 「Birds from Coahuila, Mexico」
...The Scaup is so called from its feeding on 'scaup', a northern wordfor a bed of shellfish...
Rev. C. A. Johns 「British Birds in their Haunts」
...Selby records a singleinstance of the Scaup having bred so far south as Sutherlandshire,a female having been seen in the month of June, accompanied bya young one...
Rev. C. A. Johns 「British Birds in their Haunts」
...It eventually proved to be anadult male Scaup Duck, but what had induced it to remain thereall the summer in the society of a bird of a different tribe, is aquestion which I did not attempt to solve...
Rev. C. A. Johns 「British Birds in their Haunts」
...The Scaup Duck is very abundant in Holland during winter,covering the inland seas with immense flocks...
Rev. C. A. Johns 「British Birds in their Haunts」
...The American scaup, or blue-bill, the lesser scaup(Aythya affinis) and the ring-neck (Aythya collaris)are very plentiful from Washington to Mexico...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...The speculum of the American scaup, or larger blue-bill,is white, the head and neck showing a greenishsheen, quite pronounced in the sunlight...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...Color—The color and markings are the same as theAmerican scaup, with the exception that the metallicsheen of the head, as already mentioned, is purple...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...Nest and Eggs—The same as the American scaup...
Harry Thom Payne 「Game Birds and Game Fishes of the Pacific Coast」
...Greater Scaup Duck...
Harrison B Tordoff 「Check-list of the Birds of Kansas」
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