1. Polar bears are classified as marine mammals. Because they spend most of their lives on the sea ice of the Arctic Ocean depending on the ocean for their food and habitat, polar bears are the only bear species to be considered marine mammals.
Do polar bears live in saltwater?
They spend most of their life at sea, on drifting ice packs or on the shores of the Arctic. Either way, most of the fresh water around them is frozen. … Consequently, polar bears have evolved so that they don’t need to drink free water. Polar bears get their water from the chemical reaction that breaks down fat.
Where do polar bears get fresh water?
To get drinking water the polar bears would have to eat snow, or eat specific bits of icebergs (sea ice and sea water are too salty and would make them thirstier than they started out).
Do polar bears swim in freshwater?
Diving. Polar bears make shallow dives when stalking prey, navigating ice floes, or searching for kelp. Polar bears usually swim under water at depths of only about 3-4.5 m (9.8-14.8 ft.). They can remain submerged for more than one minute.
Do polar bears eat humans?
Bears. Polar bears, particularly young and undernourished ones will hunt people for food. … Truly man-eating bear attacks are uncommon, but are known to occur when the animals are diseased or natural prey is scarce, often leading them to attack and eat anything they are able to kill.
Do polar bears eat penguins?
Polar bears do not eat penguins, since penguins live in the southern hemisphere and polar bears live in the northern hemisphere.
Do grizzly bears drink water?
Grizzly bears and black bears generally do not eat, drink, defecate, or urinate during hibernation.
Do polar bears eat fish?
Food Preferences & Resources
When other food is unavailable, polar bears will eat just about any animal they can get, including reindeer, small rodents, seabirds, waterfowl, fish, eggs, vegetation (including kelp), berries, and human garbage.
What is the warmest temperature a polar bear can live in?
The warmest areas in summer are inland regions of Siberia, Alaska, and Canada where temperatures can reach as high as 32°C (90°F). The ocean temperatures in the Arctic are about -1.5°C (29°F) in summer.
What eats a polar bear?
Predators. Adult polar bears have no natural predators except other polar bears. Cubs less than one year old sometimes are prey to wolves and other carnivores. Newborn cubs may be cannibalized by malnourished mothers or adult male polar bears.