![]() ![]() These hunts contain them waiting outside of breathing holes of seals at the water’s edge to come to the surface and breathe. Less than 2% of polar bear hunts are successfulĪlthough polar bears are extremely effective predators, only 2% of their hunts result in them enjoying a meal. You can contribute to Polar Bears International by visiting their website and donating > 1. We will provide detailed information and scientific facts to give you a comprehensive understanding of these incredible creatures. To contribute to this we will explore some interesting and little-known facts about polar bears, ranging from their habitat to their hunting habits. The 27th of February is International Polar Bear Day, a day that was founded by polar bear International (PBI) to raise awareness on the issues facing polar bears. These magnificent creatures are fascinating creatures that have captivated us humans for decades. However, the polar bear is one of the few animals that can survive there. C'est la prédation de ces classes d'âges terme qui permet l'apport énergétique maximal à l'ours, tout en causant le moins de tort à la population de proies.Snowy areas like the Arctic and Spitsbergen are one of the most inhospitable places on Earth. Les phoques âgés de moins de deux ans, sont les plus fréquemment tués. Les régions de glaces hummockées, le meilleur habitat de reproduction du phoque annelé, sont chassées par, l'ours polaire avec moins de succès que les autres types de glace, peut-être à cause de facteurs tels que la complexité des repaires de naissance et une certaine confusion olfactive. Les ours polaires tuent surtout les phoques nouveau-nés. Le phoque barbu Erignathus barbatus semble constituer une espèce fréquemment chassée par l'ours polaire au sud-est de la Terre de Baffin. ![]() Les types de glace sur lesquels chassent îes ours sont différents entre le grand Nord et la région sud-est de la Terre de Baffin, Aucune différence n'a été notée dans les proportions des essais réussis. Dans le grand Nord et à l'est de la Terre de Baffin, la déprédation des repaires sous-nivéaux du phoque annelé Phoca hispida est fréquente. La prédation sur les phoques par Tours polaire Ursus maritimus est négligeable dans le Golfe d'Amundsen. Data are presented to show that harvesting these age-classes provides the maximum return of energy to the bear and results in the least harm to the prey population. Seals under 2 years of age are those most frequently killed by bears. Several factors such as the complexity of birth lairs and possible olfactory confusion might account for this. The prime breeding habitat of ringed seals located in ice hummock areas is less successfully preyed upon by bears than other ice types. Polar bears mainly kill newborn pups in their birth lairs. There is strong evidence that the bearded seal, Erignathus barbatus, is an important prey species of the polar bear in southeastern Baffin Island. However, no difference was seen in the proportion of successful kills. The ice types hunted by bears differed between the High Arctic and southeastern Baffin Island. In the High Central and Eastern Arctic, and along southeastern Baffin Island, bear predation of the subnivean lairs of ringed seals, Phoca hispida, was common. Predation of seals by the polar bear, Ursus maritimus, was not significant in the Western Arctic. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |