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Extirpated. Synonyms. Euarctos americanus. The American black bear ( Ursus americanus ), also known as the black bear, is a species of medium-sized bear endemic to North America. It is the continent's smallest and most widely distributed bear species. It is an omnivore, with a diet varying greatly depending on season and location.
The male grizzly bear's hibernation ends in early to mid-March, while females emerge in April or early May. [52] In preparation for winter, bears can gain approximately 180 kg (400 lb), during a period of hyperphagia, before going into hibernation. [53] The bear often waits for a substantial snowstorm before it enters its den: such behavior ...
Hibernation. Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – the so-called overwintering .
Bears Don't Actually Hibernate! Billy was rescued by the zoo years ago after his left front leg was caught in an illegal trap when he was a young wild bear. The trap worked, and he is now missing ...
Bears of northern regions, including the American black bear and the grizzly bear, hibernate in the winter. [109] [110] During hibernation, the bear's metabolism slows down, its body temperature decreases slightly, and its heart rate slows from a normal value of 55 to just 9 beats per minute. [111]
The bears at FOUR PAWS Bear Sanctuary Müritz enjoyed hibernation and a custom meal crafted by Naik. To create the celebratory dish, the plant-based chef conferred with the bears' caretakers about ...
When bears hibernate, their body temperature drops from 100 degrees Fahrenheit to 88 degrees Fahrenheit, and their heart rate goes from 50 beats a minute to 10, according to the Massachusetts ...
Polar bear. The polar bear ( Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can interbreed. The polar bear is the largest extant species of bear and land carnivore, with adult males weighing 300–800 kg (660–1,760 lb). The species is sexually dimorphic, as ...