The National Geographic Magazine, Volume 110National Geographic Society, 1956 - 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 , and ...
... 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 , and ...
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
PAGE | v |
Into the Heart of Africa The Weeks Expedition Collecting Birds | xviii |
Zoo Animals Go to School By Marion P McCrane 694 | xxiv |
Copyright | |
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