The National Geographic Magazine, Volume 90National Geographic Society, 1947 - Geography Indexes kept up to date with supplements. |
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Page 72
... winter advances , white feathers gradually replace the dark ones until the ptarmigan becomes snow - white ( Plate ... Winter Haven for Deer The game animals have long since dropped to lower elevations , the deer spending the winter where ...
... winter advances , white feathers gradually replace the dark ones until the ptarmigan becomes snow - white ( Plate ... Winter Haven for Deer The game animals have long since dropped to lower elevations , the deer spending the winter where ...
Page 128
... winter seems to be a rare occurrence , but we obtained three returns of banded bats which had flown 55 to 125 miles from one cave to another during a single winter . Bats have been observed to mate in both spring and fall , and even in ...
... winter seems to be a rare occurrence , but we obtained three returns of banded bats which had flown 55 to 125 miles from one cave to another during a single winter . Bats have been observed to mate in both spring and fall , and even in ...
Page 132
... winter . When it is considered that some bats die each year and are replaced by young , and that not all the bats in a cave can ever be captured , this percentage indicates that the majority each winter return to the same cave to ...
... winter . When it is considered that some bats die each year and are replaced by young , and that not all the bats in a cave can ever be captured , this percentage indicates that the majority each winter return to the same cave to ...
Contents
Columbia National Forest Wash 73 74 75 77 | 73 |
Cameras | 99 |
Columbia River CanadaU S 90 304 688 692 | 106 |
Copyright | |
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ALEXANDER WETMORE American animals Anthony Stewart Arkansas arms Balsas band bats birds blue British Brooke Dolan building camera Capt carried cave Chief China Chinese color Dalai Lama eagle Editor Editorial Staff feet fire flowers Geographic Society Kodachrome Greenland head hibernation House of Commons Ilia Tolstoy inches in diameter Indian island Kunming Lake land Lhasa live look lookout Lords Luis Marden MAYNARD OWEN WILLIAMS MELVILLE BELL GROSVENOR ment miles motto mountain Narsarssuak National Forest NATIONAL GEOGRAPHIC MAGAZINE National Geographic Society native Navy nest North painted peaks plane Plate President radio Río Balsas River rock Roman Rome seal Secretary shield snow Staff Photographer station summer Tibet Tibetan tion trail trees U. S. Army United valley village Washington weather wings winter Yatung young