نتایج جستجو برای: bovidae
تعداد نتایج: 446 فیلتر نتایج به سال:
Risk maps are spatial models of environmental hazards such as predation on livestock. We tested the long-term validity of a published risk map built from locations where Wisconsin wolves attacked livestock from 1999-2006. Using data collected after model construction, we verified the predictive accuracy of the risk map exceeded 91% for the period 2007-2011. Predictive power lasting 5 years or m...
CONTEXT AND CONTENT. Order Artiodactyla, Family Bovidae, Subfamily Bovinae, Tribe Tragelaphini. The genus Tragelaphus contains eight living species (Van Gelder, 1977). The large gap between the western and eastern ranges of T. eurycerus and the isolation of Kenyan populations suggests that there may be several subspecies. However, the nominal subspecies have been described on the basis of chara...
We describe here the Bovidae from early Middle Miocene site of Maboko, Kenya, known for its rich and highly diverse assemblage Primates. They are attributed to two taxa slightly different sizes, Turcocerus africanus n.sp. Kubanotragus pickfordi. In addition ranges through Turkey China; it might have originated in Africa but lack precise dating weakens any phylogeographic hypothesis. has similar...
Black lechwe (Kobus leche smithemani) is a semi-aquatic medium sized antelope currently enlisted on the IUCN red list of endangered species and is only endemic to the Bangweulu basin of Zambia. Its population has significantly decreased due to floods that took place during the period 1930-1940 from over 250 000-15000 leading the Zambian government to gazette all habitats of Black lechwe into st...
The Kibish faunal remains are useful for reconstructing the habitat of the earliest documented Homo sapiens and for understanding the community within which early modern humans existed. A diverse assemblage of large mammals, including many species of bovids, suids, and equids, has been recovered from the Kibish Formation. There are no extinct large mammals represented in the fossil assemblage, ...
Paul Mellars has long used cave and rockshelter ungulate faunal assemblages from southwestern France to argue that the early Upper Palaeolithic people of this region focused their hunting on reindeer (Rangifer tarandus), and that such specialized hunting distinguishes the Upper from the Middle Palaeolithic in at least this region. We examine this argument quantitatively, using a sample of 133 M...
In field studies, Anopheles gambiae Giles sensu stricto obtains most blood meals from humans, whereas Anopheles quadriannulatus Theobald bites predominantly bovids. We investigated whether host odors modulate the host preference of these mosquito species. In a dual-choice olfactometer, mosquitoes were given a choice between clean air and putative host-specific odor blends. An. gambiae chose 'hu...
Working animals, mainly equids, camelids and bovids, are draught animals that perform transport and traction activities. In developed countries technological development has resulted in animal power being minimised, however, in developing countries most agricultural operations are still being conducted by animals, and animal welfare is a major concern. Inadequate knowledge and inappropriate att...
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