 | John James Audubon - 1832 - 564 pàgines
...appearance in that State varies, however, as much as in any other, it being sometimes a fortnightlater, or, although rarely, a few days earlier. In the middle...for some distance at an angle of about 40 degrees, and then falling in a curve; but the smallness of their size precludes the possibility of following... | |
 | Alexander Wilson, Charles Lucian Bonaparte, William Jardine - 1832 - 576 pàgines
...far from their proper course. Mr Audubon is of opinion, that they migrate during the night, passing through the air in long undulations, raising themselves for some distance at an angle of about 40°, and then falling in a curve ; but he adds, that the smallness of their size precludes the possibility... | |
 | 1833 - 468 pàgines
...to shade — now like a furnace glow." But when performing a lengthened flight, as during migration, they pass through the air in long undulations, raising themselves for some distance, and then falling in a curve. When about to feed, or in search of a favourite flower, they hover stationary,... | |
 | Religious Tract Society (Great Britain) - 1835 - 604 pàgines
...gorgeous hues in the beams of the sun. When " performing a lengthened flight, as during migration, they pass through the air in long undulations, raising themselves for some distance, and then falling in a curve. When about to feed, or in search of a favourite flower, they hover stationary,... | |
 | John Claudius Loudon, Edward Charlesworth, John Denson - 1837 - 678 pàgines
...or Peau River, in latitude 54°. Audubon is of opinion that they migrate during the night, passing through the air in long undulations, raising themselves for some distance at an angle of about 40°, and then falling in a curve ; but he adds that the smallness of their size precludes the possibility... | |
 | Wonders - 1848 - 496 pàgines
...its prey and retract it into its mouth." When performing a lengthened flight, as during migration, they pass through the air in long undulations, raising themselves for some distance, and then falling in a curve. Delicate and tender as these minute creatures are, seeming indeed as if... | |
 | Francis Orpen Morris - 1852 - 652 pàgines
...their gorgeous hues in the beams of the sun. When performing a lengthened flight, as during migration, they pass through the air in long undulations, raising themselves for some distance, and then falling in a curve. When about to feed, or in search of a favourite flower, they hover stationary,... | |
 | Robert Kemp Philp - 1861 - 354 pàgines
...to shade — now like a furnace glow." But when performing a lengthened flight, as during migration, they pass through the air in long undulations, raising themselves for some distance, and then falling in a curve. When about to feed, or in search of a favourite flower, they hover stationary,... | |
 | John George Wood - 1862 - 804 pàgines
...during the day or by night, but am inclined to think the latter the case, as they seem to be leisurely feeding at all times of the day, which would not be...themselves for some distance at an angle of about forty degrees, then falling in a curve ; but the smallness of their size precludes the possibility... | |
 | John George Wood - 1862 - 804 pàgines
...during the day or by night, but am inclined to think the latter the case, as they seem to be leisurely feeding at all times of the day, which would not be...themselves for some distance at an angle of about forty degrees, then falling in a curve ; but the smallness of then- size precludes the possibility... | |
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They pass through the air in long undulations, raising themselves for some distance at an angle of about forty degrees, then falling in a curve ; but the smallness of their size precludes the possibility of following them with the eye farther than fifty... 
