They can remain submerged for more than one minute. Maximum dive duration is unknown; however the longest polar bear dive observed to date lasted a total of 3 minutes and 10 seconds covering a distance of 45 to 50 m (148–164 ft.) without surfacing.
How do polar bears survive without water?
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. This is why a polar bear’s diet is high in fat but low in protein.
How many months can a mother polar bear go without food?
The food-free season can last 3 to 4 months — or even longer in areas like Canada’s Hudson Bay.
How much water do polar bears drink?
So they eat the blubber, not the meat. To break down and digest large amounts of protein, you need to get rid of the excess nitrogen in the protein by peeing it out in your urine. However, to produce lots of urine, you have to drink lots of water. There is no drinking water on the polar ice cap!
Can a polar bear smell a seal from 20 miles away?
The polar bear’s nose is so powerful it can smell a seal on the ice 20 miles (32 kilometers) away, sniff out a seal’s den that has been covered with snow, and even find a seal’s air hole in the ice up to 1 mile (1.6 kilometers) away.
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.
Are polar bear starving?
Polar Bears Really Are Starving Because of Global Warming, Study Shows. New science sheds more light on recent controversy over how much the large carnivores are being impacted by melting sea ice.
How small are baby polar bears?
Weighing only 16 to 24 ounces and measuring about one foot long, baby polar bears are born small and helpless, with their eyes closed. Their fur is very fine and translucent at birth, making the cubs look almost hairless—a shocking discovery when you are born into such a cold place!
Do polar bears give birth while hibernating?
Females fast throughout hibernation. They may lose most or all of their fat stores. Unlike most other hibernators, female polar bears give birth while hibernating.
Do polar bears stay together?
Adult polar bears are solitary, but not anti-social: they actively seek mating partners in the late spring and early summer. Males seek out females by following their scent. Two males may fight over a female. Polar bears couples are only together for about a week before they separate.
Do polar bears drink Coca Cola?
And they definitely don’t drink Coca-Cola, vastly preferring energy-rich seal blubber to carbonated high-fructose corn syrup. But less obvious is the fact that polar bears don’t group together. … In general, polar bears live very solitary lives, wandering the Arctic in search of food.
Do grizzly bears drink water?
On Grizzly Bear Lodge’s wildlife tours during the hot days of July and August we frequently see grizzly bears in the water. The water in Knight Inlet’s Glendale estuary is a mixture of salt and fresh water which the grizzly bears often drink when the tide is going out.
Do polar bears drink freshwater?
Polar bears will also have a drink at the freshwater melt ponds that can form on the sea ice during the warmer months of the year. In the ice-free summer months on land, they will drink water from the freshwater ponds dotting the landscape.
What is the average lifespan of a polar bear?
LIFE CYCLE: Polar bears can live up to 25 or 30 years in the wild.
How far away can a polar bear smell human?
Keen smelling is a polar bear talent
Polar bears can smell seals and other animals up to 9 km (5.6 miles) away. They can even smell the breathing holes seals create in the ice from almost one km (.
How far away can a polar bear smell their prey?
They can smell their prey up to a kilometer away. Polar bears have a very strong sense of smell, which they use to find seal breathing holes in the ice.