Search results
Results From The WOW.Com Content Network
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 upper value, 5.0, is unusual, even for large fish, [7] though it occurs in apex predators of marine mammals, such as polar bears and killer whales. [8] As a point of contrast, humans have a mean trophic level of about 2.21, about the same as a pig or an anchovy.
A humpback whale (Megaptera novaeangliae) A leopard seal (Hydrurga leptonyx). Marine mammals are mammals that rely on marine (saltwater) ecosystems for their existence. They include animals such as cetaceans (whales, dolphins and porpoises), pinnipeds (seals, sea lions and walruses), sirenians (manatees and dugongs), sea otters and polar bears.
"For polar bears, sea ice is a big dinner plate - it's access to their main prey, seals. They're probably excited for a big meal of seal blubber - they haven't been eating much all summer on land."
Thanks to climate change, polar bears are not getting enough to eat. Scientists from Washington State University and the U.S. Geological Survey equipped 20 polar bears in northern Canada with ...
Inuit hunters most often hunt juvenile whales which, compared to adults, are safer to hunt and have tastier skin. Ringed seal and bearded seal are the most crucial aspect of an Inuit diet and is often the largest part of an Inuit hunter's diet. [3] Land mammals such as reindeer (caribou), polar bear, and muskox; Birds and their eggs
The bears swipe at the belugas and drag them onto the ice to eat them. [34] They are able to capture large individuals in this way; in one documented incident, a bear weighing between 150 and 180 kg was able to capture a beluga that weighed 935 kg. [171] Killer whales hunt and eat both young and adult belugas. [34]
Drone videos of gray whales off Oregon have revealed new details about how the marine mammals find food. The findings were described in studies this summer. Drone video of gray whales offers new ...