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Showing 1 - 20 results of 58 for search '"hawk"', query time: 0.44s Refine Results
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    by PESCHKEN, D. P., DARWENT, A. L.
    Published in Weed Research (1988)
    ...Summary Narrow‐leaved hawk's‐beard ( Crevis tectorum L.) occurs in all provinces of Canada...
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    ... in several species of large hawks and owls. Gross dissection and histological examination show the bone...
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  6. 6
    ... include the African grey parrot ( Psittacus erithacus ), ostrich ( Struthio camelus ), red‐tailed hawk...
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  7. 7
    ... ( Falco sparverius ), northern harrier ( Circus cyaneus ), and red‐tailed hawk ( Buteo jamaicensis...
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  8. 8
    ... Hawks Buteo lineatus and Black Vulture Coragyps atratus increased over the course of the study. Counts...
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  9. 9
    by WHITFIELD, D. PHILIP
    Published in Ibis (1988)
    ... is thought to be due to the disturbance caused by hawk attacks, and the results suggest benefits for flocking...
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  10. 10
    ... and Harris's hawk Parabuteo unicinctus ) also died due to WNV encephalitis. The 2018 outbreak in Czech...
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  11. 11
    by Bourne, W. R. P.
    Published in Ibis (1957)
    ..., but the resident community is restricted to roughly twenty species, all of which were once abundant. A hawk...
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  12. 12
    ... observed at 12 sites in Black Hawk County, Iowa, and 80 of them were examined in detail. The wedges average...
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  13. 13
    ... squirrel ( Tamiasciurus hudsonicus ), common raven ( Corvus corax ), and red‐tailed hawk ( Buteo...
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  14. 14
    ... of vegetation structure on the distribution of two avian predators, Red‐tailed Hawk ( Buteo jamaicensis...
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  15. 15
    ...‐backed voles, the main food item for this owl species. In addition, winter observations of northern hawk...
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  16. 16
    ... ecosystems. The ferruginous hawk ( Buteo regalis ) and golden eagle ( Aquila chrysaetos ) are two sympatric...
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  17. 17
    Published in Zeitschrift für Tierpsychologie (1961)
    ...?”) Melzack, R. (1961): On the survival of Mallard Ducks after “habituation” to the hawk‐shaped figure. Wallis...
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  18. 18
    ... of wildlife strikes ( r 2 = 0.74). Top species in terms of estimated risk nationally were red‐tailed hawk...
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  19. 19
    ... ( Bubo scandiacus ), the Rough‐legged Hawk ( Buteo lagopus ), and the Long‐tailed Jaeger ( Stercorarius...
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  20. 20
    ...Abstract Although written sources indicate that falconry or hawking was very popular already...
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