Resultado de búsqueda
Hace 2 días · 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).
17 de jun. de 2024 · Learn about the polar bear, the largest and most powerful carnivore on land, that lives in the Arctic region and feeds on seals and other prey. Find out how climate change, hunting, and human activities are affecting its survival and population.
4 de jun. de 2024 · Por qué el oso polar está en peligro de extinción. Entre las principales causas y amenazas que explican que los osos polares estén en peligro de extinción nos encontramos con la contaminación, las intrusiones humanas en el hábitat del animal, las modificaciones de su ecosistema y el cambio climático, por ejemplo.
Hace 6 días · Discover the incredible world of polar bears in our latest video! 🌨️🐻 ️ Learn about their unique adaptations to the harsh Arctic environment, including th...
19 de jun. de 2024 · Bear, any of eight species of large short-tailed carnivores found in the Americas, Europe, and Asia. The sun bear is the smallest, often weighing less than 50 kg (110 pounds). The largest bear, and the largest land carnivore, is either the polar bear or the Kodiak bear; either can weigh up to 720 kg (1,600 pounds).
4 de jun. de 2024 · Pregnant female polar bears seem to use biochemical adaptations to survive the long denning fast without ill health effects, similar to other bear species; Outside of maternal denning, polar bears are mostly incapable of using those biochemical adaptations and long fasts can cause health problems
4 de jun. de 2024 · Polar Bears diverged from one group of brown bears about 150,000 years ago, according to molecular evidence (Lindquist et al 2010; Lan et al. 2022) Modern polar bears rapidly expanded throughout the Arctic since the Late Pleistocene (Lindquist et al 2010) Fossil history.
