 Russian naturalist, of the hunting habits of the great white-tailed eagle (Halioetos alMcilla) on the Russian steppes shows that this kind of eagle at least has adopted a gregarious habit, in which mutual help is plainly obvious. This naturalist once...  Animals: A Text-book of Zoology - Página 164por David Starr Jordan, Vernon Lyman Kellogg, Harold Heath - 1905Visualização integral - Acerca deste livro
 | 1890 - 1080 páginas
...half an hour it was describing its wide circles in silence when at once its piercing voice was heard. Its cry was soon answered by another eagle which approached...or ten eagles came together and soon disappeared. In the afternoon, SyevertsofF went to the place whereto he saw the eagles flying; concealed by one... | |
 | 1890 - 898 páginas
...half an hour it was describing its wide circles in silence when at once its piercing voice was heard. Its cry was soon answered by another eagle which approached...or ten eagles came together and soon disappeared. In the afternoon, Syevertsoff went to the place whereto he saw the eagles flying ; concealed by one... | |
 | Charles Clement Coe - 1895 - 638 páginas
...half an hour it was describing its wide circles in silence, when at once its piercing voice was heard. Its cry was soon answered by another eagle which approached...or ten eagles came together and soon disappeared. In the afternoon Syevertsoff went to the place whereto he saw the eagles flying. Concealed by one of... | |
 | David Starr Jordan, Vernon Lyman Kellogg - 1900 - 360 páginas
...by a Russian naturalist, of the hunting habits of the great white-tailed eagle (Halioetos alMcilla) on the Russian steppes shows that this kind of eagle...food found by the first was being shared by all. The well-known association of pelicans in fishing is a good example of the advantage of a gregarious and... | |
 | David Starr Jordan - 1900 - 358 páginas
...description, by a Russian naturalist, of the hunting habits of the great white-tailed eagle (Hali(Btos albicilla) on the Russian steppes shows that this...naturalist, following them, soon discovered them gathered 12 about the dead body of a horse. The food found by the first was being shared by all. The association... | |
 | David Starr Jordan, Vernon Lyman Kellogg, Harold Heath - 1903 - 482 páginas
...description, by a Russian naturalist^ of the hunting habits of the great white-tailed eagle (Halicetos albicilla) on the Russian steppes shows that this...naturalist, following them, soon discovered them gathered 22 about the dead body of a horse. The food found by the first was being shared by all. The association... | |
 | Petr Alekseevich Kropotkin (kni︠a︡zʹ) - 1910 - 374 páginas
...half-anhour it was describing its wide circles in silence when at once its piercing voice was heard. Its cry was soon answered by another eagle which approached...or ten eagles came together and soon disappeared. In the afternoon, Syevertsoff went to the place whereto he saw the eagles flying ; concealed by one... | |
 | 1890 - 1102 páginas
...half an hour it was describing its wide circles in silence when at once its piercing voice was heard. ty king drink his own hurt, and see one's father's spirit, beneath the glimpses of the moon, In the afternoon, Syevertsoffwent to the place whereto he saw the eagles flying; concealed by one of... | |
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