What eats a polar bears?

Answer 1

People and other polar bears eat a polar bear
Nothing a Polar Bear is a top predator. They die of natural causes.
no, i dont think so
The only thing polar bears need to worry about are humans, and other polar bears.

Answer 2

Orcas are known to kill and eat swimming polar bears on occasion.

Answer 3

Orcas are known to occasionally kill and eat swimming polar bears.

Answer 4

bigger polar bears