The National Geographic Magazine, Volume 110National Geographic Society, 1957 - Geography Indexes kept up to date with supplements. |
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Page 105
... Birds . BY HANCE ROY IVOR 107 A Blue Jay Rubs His Feathers with Ants in. THAT is bird anting ? One of Na- W ture's ... birds indulge in anting at times . A limited number of other birds - for example , the wry- neck , green woodpecker ...
... Birds . BY HANCE ROY IVOR 107 A Blue Jay Rubs His Feathers with Ants in. THAT is bird anting ? One of Na- W ture's ... birds indulge in anting at times . A limited number of other birds - for example , the wry- neck , green woodpecker ...
Page 108
... birds stroke ants against their feath- ers to remove the acid before eating the insect . Others think the acid benefits the skin . To compound the enigma , birds frequently use ants of species that do not excrete formic acid ( page 114 ) ...
... birds stroke ants against their feath- ers to remove the acid before eating the insect . Others think the acid benefits the skin . To compound the enigma , birds frequently use ants of species that do not excrete formic acid ( page 114 ) ...
Page 115
... birds ' head feathers . Yet the birds anted with them in the same manner as with active ants ( page 113 ) . The popular belief that birds ant to rid them- selves of parasites also poses many questions . Were anting done to en- able the ...
... birds ' head feathers . Yet the birds anted with them in the same manner as with active ants ( page 113 ) . The popular belief that birds ant to rid them- selves of parasites also poses many questions . Were anting done to en- able the ...
Contents
Into the Heart of Africa The Weeks Expedition Collecting Birds | xviii |
KITIMAT Canadas Aluminum Titan By David S Boyer With 10 color illustrations 376 | xxv |
Amiable Rogue in a Black Mask Tough Curious and Unawed by Man | xxxii |
Copyright | |
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American antarctic Antarctica Anthony Stewart ants Baddeck Baylor Roberts Beinn Bhreagh Bell Bell's birds Black Hills Black Hills region boat Boyer boys Bridge British Calif camel camp Canada Castle Coast Creek desert Dibai Expedition Explorer feet fire fish flight French Equatorial Africa Glacier gold Grosvenor Hannibal helicopter Hotel Indians Island John kite Kitimat Lake land Little America lorikeets Mark Twain McMurdo Sound Mexico miles Mississippi Mount Mountain Museum National Forest NATIONAL GEOGRAPHIC MAGAZINE National Geographic Photographer National Geographic Society National Geographic Staff National Park Nigeria Painting peak Philmont Scout Ranch photographs by author plane Pole Queen River Russell Cave San Francisco sand Scammon Lagoon Scotland Seminole Sheikdoms ship Shipworms snow South Street Swiss Switzerland Tasmania Thruway tion towers town trail trees Trucial Trucial Oman Venta village visitors whale wood York young