What is a polar bear's enemy?

Answer 1

People, Killer whales, Walreses, and other polar bears

A polar bear's enemies are humans and other polar bears. But a polar bear's worst enemy is a killer whale.

Polar bears enemy is mostly human and other polar bears!
Climate change/global warming and the melting ice sheet, starvation, humans, summer in the arctic (since this is a time where they are not going to be eating much), dehydration, etc.
Humans
Humans
the ememies of polar bears are, Male polar bears, black &

white killer whales, arctic foxes, global warming and humans

Answer 2

Polar bears are typically the ultimate predator in their habitat, and nothing else preys on them. They do sometimes fight among themselves, and males may fight to the death over the right to mate. Young polar bears are preyed on by other animals, such as wolves and cougars. Humans also kill polar bears, and killer whales will catch and eat swimming polar bears if they can.

Answer 3

A polar bear's only enemy is man; lolz that's so cool! -LauraChick-
The biggest threat to a polar bear is humans and human civilization. Many polar bears are killed after attacking a human in defense or for food, and are driven farther out due to forming of cities. Global warming is also killing polar bears, due to the melting of the polar ice. This means they must swim for longer periods of time and usually die of exhaustion.
Polar bears have two natural enemies, the killer whale (Orca) and humans.

Answer 4

polar bears have no competitors except humans as they are usually found in artic regions.

Answer 5

Orcas have been known to kill and eat swimming polar bears.

Answer 6

wolves, themselves, etc