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. 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.)
How deep can a polar bear smell?
A polar bear’s sense of smell is acute, and it is the most important sense for detecting prey on land. A polar bear can most likely smell a seal from more than 1 km (0.6 mi.) away and 1 m (3 ft.)
Do orcas eat polar bears?
PREY: The orca is at the top of the marine food web. Their diet items include fish, squid, seals, sea lions, walruses, birds, sea turtles, otters, other whales and dolphins, polar bears and reptiles. They even have been seen killing and eating swimming moose.
What animal can hold breath for 6 days?
Answer: scorpions can hold their breath for up to 6 days !
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.
What can kill a polar bear?
Adult polar bears have no natural predators, though walruses and wolves can kill them.