The National Geographic Magazine, Volume 90National Geographic Society, 1946 - 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
Across Tibet from India to China By Lt Col Ilia Tolstoy AUS | 169 |
Ali Goes to the Clinic By Herndon and Mary Hudson 764 | 357 |
Americans Stand Guard in Greenland By Andrew H Brown | 457 |
Copyright | |
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