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Showing 1 to 7 of 7 for “"Birds -- Ecology"”.
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Relationship of human intrusion on avian body mass: Do recreationists hinder birds’ abilities to acquire fat during migration?
Many North American landbirds undergo biannual migration, which is energetically costly. Quality stopover sites are crucial to avian survival, as they provide opportunities to quickly replenish fat stores, rest, and avoid predation. One component of habitat quality that is often overlooked is the …
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Ecology of Audubon's Shearwaters (Puffinus lherminieri) at San Salvador, Bahamas
<p>The Audubon's Shearwater <em>(Pqffinus lherminieri)</em>, nearly pantropical in distribution, remains a poorly studied species. The subspecies <em>P. l. lherminieri </em>is endemic to the West Indies region. An estimated 5,000 pairs inhabit the Caribbean, but there has been a substantial decline …
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Evaluating the influence white-tailed deer have on wetland vegetation types with respect to wetland birds at Shiawassee National Wildlife Refuge, Saginaw, Michigan
"White-tailed deer (Odocoileus virginianus), can be keystone herbivores in forest ecosystems and greatly impact forest conditions. Results of previous deer herbivory research could cause biologists concern when managing wetlands as suitable habitat for migratory waterfowl since high levels of …
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Habitat Selection by weaver Birds in the Middle Zambezi Valley
… of interactions between seven species of weaver birds viz: the White Browed Sparrow Weaver (Plocepasser mahali), the Spotted Backed Weaver (Ploceus cucullatus), Cabanis's Masked Weaver (Ploceus intermedius), the Masked Weaver (Ploceus velutus) and three species of Quelea between Chirundu and the …
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Habitat Selection by weaver Birds in the Middle Zambezi Valley
… of interactions between seven species of weaver birds viz: the White Browed Sparrow Weaver (Plocepasser mahali), the Spotted Backed Weaver (Ploceus cucullatus), Cabanis's Masked Weaver (Ploceus intermedius), the Masked Weaver (Ploceus velutus) and three species of Quelea between Chirundu and the …
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Comparative Morphology and Macroevolution of the Avian Quadrate
In birds, the quadrate acts as a hinge between the lower jaw and the skull, playing an important role in cranial kinesis. Therefore, the evolution of avian quadrate morphology presumably has been influenced by selective pressures related to feeding. Owing to its complex and variable morphology, the …
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Ecologie et connaissances ethnozoologiques de quelques espèces d'oiseaux gibiers menaces des ecosytèmes du Sud du Bénin
… climate are diversified in resident birds’ species as well as migratory one. Some of them are hunted for food and therapeutic purposes by grassroots communities. The most used are Guttera pucherani, Dendrocygna viduata, Egretta alba, Egretta ardesiaca, Porphyrio alleni et Porphyrio …