![]() ![]() Specific food types may vary by habitat or season. arctos.īears are omnivorous and opportunistic. ![]() Infection by Trichinella spiralis is especially common, affecting up to 60% of Ursus maritimus and U. tuberculaticeps, Pulex irritans, and Arctopsylla species), and ticks ( Dermacentor and Ixodes species). rauschi, Crenosoma, Thelazia californiensis, Dirofilaria ursi, Trichinella spiralis, and Gongylonema pulchrum), lice ( Trichodectes pinguis), fleas ( Chaetopsylla setosa, C. Arctic foxes ( Vulpes lagopus) rely heavily on scavenging polar bear kills.īears are infected by a wide variety of endo and ectoparasites, including: protozoans ( Eimeria and Toxoplasma), trematodes ( Nannophyetus salminicola, Neoricketsia helminthoeca), cestodes ( Anacanthotaenia olseni, Mesocestoides krulli, Multiceps serialis, Taenia species, and Diphyllobothrium species), nematodes ( Baylisascaris transfuga, B. Bear species may help to disperse seeds from the fruits they eat. Polar bear populations and brown bear populations that rely on large prey, exert significant pressure on prey populations, including breeding seals and elk. ![]() arctos are included in Appendix II.Īll bear species, because of their omnivorous diet and large size, impact the populations of prey animals and plant communities in the ecosystems in which they live. The following species are on Appendix I of CITES: Ailuropoda melanoleuca, Helarctos malayanus, Melursus ursinus, Tremarctos ornatus, Ursus thibetanus, and populations of Ursus arctos in Bhutan, China, Mexico and Mongolia. Baluchistan bears, Ursus thibetanus gedrosianus, are also considered endangered. arctos arctos, and Tibetan brown bears or horse bears, U. Several brown bear subspecies are listed as endangered under the United States Endangered Species Act: Mexican grizzly bears, Ursus arctos nelsoni, European brown bears, U. The IUCN ranks Malayan sun bears ( Helarctos malayanus) as data deficient, polar bears ( Ursus maritimus) as lower risk, Asiatic black bears ( Ursus thibetanus), sloth bears ( Melursus ursinus), and spectacled bears ( Tremarctos ornatus) as vulnerable, and giant pandas ( Ailuropoda melanoleuca as endangered. Most bear populations continue to face hunting pressure and have become fragmented as a result of human habitat destruction and hunting. Hepsini göster Afrikaans Amharca Aragonca Avarca Aymaraca Azerice Beyaz Rusça Bretonca Boşnakça Katalanca Valensiyaca Çekçe Galce Danca Almanca Diq Yunanca, Modern (1453-) İngilizce Esperanto İspanyolca Kastilyaca Estonyaca Baskça Fince Faroece Fransızca Batı Frizcesi İrlandaca İskoçça Galcesi Galiçyaca Hausaca Hak Hitnçe Hırvatça Haiti dili Haiti Creole İnterlingua (Uluslararası Yardımcı Dil Derneği) Endonezce İdo dili İzlandaca İtalyanca Japonca Cava dili Kannada dili Korece Kürtçe Komice Kernevekçe Kırgızça Latince Lüksemburgca Limburgca Litvanca Letonca Maorice Makedonca Moğolca Marathi Malayca Birmanca Nan Nepalce Felemenkçe Flemish Norveççe Oksitanca (1500 sonrası) Pencapça Lehçe Portekizce Alemannik Udmurtça Yukarı Sorbca Aşağı Sorbca Nahuatl İskoçça Lingua Franca Nova Kuzey Frizce Asturyasça Erzyanca Vepsçe İnguşça Kabardeyce Napolice Sicilyaca Picard dili Yakutça Berberice Maithili Lakça Doğu Min Çincesi Ova Marice Keçuva dili Romence Moldovaca Rusça Slovakça Somalice Arnavutça Stq Sundaca İsveççe Svahili Tamilce Tcy Teluguca Tacikçe Tagalogca Türkçe Tatarca Ukraynaca Özbekçe Vec Vietnamca Zhuangca Çinceīears have been hunted and persecuted throughout human history. ![]()
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