例文・使い方で印象づける「swifts」の覚え方
スポンサーリンク...In some Swifts the four toespoint forward; this helps also in cliff clinging... 
John Albert Leach 「An Australian Bird Book」
...Wood-Swallowsand Swifts do not belong to the Swallow family...
John Albert Leach 「An Australian Bird Book」
...Not until swifts are a month old do the lazy littlefellows climb out of their deep, dark cavern into the boundless sky,which is their true home...
Neltje Blanchan 「Birds Every Child Should Know」
...With mouths agape from ear to ear, the swifts draw in an insect dinnerpiecemeal, as they course through the air, just as the whip-poor-will,nighthawk and swallows do...
Neltje Blanchan 「Birds Every Child Should Know」
...Bill, in the Goatsuckers and Swifts, small; mouth large; in the Hummingbirds,bill long, slender, needle-like; wings and tail variable; feet,in all three groups, small and weak...
Frank M. Chapman 「Color Key to North American Birds」
...Color, in Goatsuckers, mixedbrown, buff and black; in Swifts, black and white; in Hummingbirds,usually shining green above with resplendent throat-patches of variedhues...
Frank M. Chapman 「Color Key to North American Birds」
...,Parrots, Cuckoos, Trogons, Kingfishers, Woodpeckers, Goatsuckers, Swifts,Hummingbirds, Cotingas, Flycatchers, Larks, Crows and Jays, Blackbirds andOrioles...
Frank M. Chapman 「Color Key to North American Birds」
...This may be possible a few years hence, thanks to the aeroplane;but even then the swifts will have the advantage as regards cheapnessof transit...
Douglas Dewar 「Birds of the Indian Hills」
...The recollection of this seaside gathering raises anew in my mind thequestion why, if swallows and swifts migrate exclusively in the daytime,we so rarely see anything of them on the passage...
Bradford Torrey 「The Foot-path Way」
...Several White-throated Swifts were seen flying overhead at Pico de Jimulco on April 5...
Emil K. Urban 「Birds from Coahuila, Mexico」
...Confine one ofthese swifts to a room and it does not perch, butafter flying till it becomes bewildered and exhausted,it clings to the side of the wall till itdies...
John Burroughs 「Bird Stories from Burroughs」
...Several times bothin spring and fall I have seen swifts gather inimmense numbers toward nightfall, to take refugein large unused chimney-stacks...
John Burroughs 「Bird Stories from Burroughs」
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