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Showing 1 - 20 results of 35 for search '"birds"', query time: 0.35s Refine Results
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    ...Data about breeding populations of birds in the Antarctica are rare and fragmented. Thus...
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    Article in Journal/Newspaper
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    ... considered. We used annual presence/absence data obtained from 1,138 individually marked birds to study...
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    ... of such communities in a realistic way and considerable work has been carried out in mammals and some birds...
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    by Gasol, Josep M.
    Published 2005
    ... of large numbers of vertebrates, birds and mammals. These animals are the top vertexes of food webs based...
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    Other/Unknown Material
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    ... the 70’s along the Antarctic trophic food web from phytoplankton to birds. Still, no information exists...
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    ... events, with birds as the most likely dispersal vector. Th is research was supported by the Spanish...
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    ... of ecological differences between species or sexes. In birds, the bill is one of the structures most affected...
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    ...) is almost the unique food source for Antarctic fish, birds and mammals, salps (Salpa thompsoni) are of very...
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    Conference Object
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    ... that hatching period can be a mechanism underlying sexual differences in the embryonic period of birds...
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