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Raamatud Books 1 - 2 of 2 on ... motions such as pass along a pennant In a slight breeze. The black brant never....
" ... motions such as pass along a pennant In a slight breeze. The black brant never wings its way far up in the sky, as many other geese have the habit of doing, but keeps, as a rule, between 10 and 30 yards above the ground, with more flocks below these... "
Bulletin of the Nuttall Ornithological Club - Page 136
by Nuttall Ornithological Club - 1881
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Life Histories of North American Wild Fowl: Order Anseres (part)

Arthur Cleveland Bent - 1923
...30 yards above the ground, with more flocks below these limits than above them. Another idiosyncrasy of this bird is its marked distaste for passing over...miles into the flat marshy land. This ridge is from 50 to 200 feet above the surrounding country and bars the course of the black brant. So slight an obstacle...
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Life Histories of North American Wild Fowl, 1–2. köide

Arthur Cleveland Bent - 1962 - 865 lehte
...these limits than ahove them. Another Idioeyncraey of this hird is its marked distaste for passing orer low ranges of hills which may cross its path. A striking case of this ia shown here where a low spur ruus out from the distant hills in the form of a grass-corered ridge...
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