They are not endangered at present. Over hunting caused their decline in the past.
their in the threatened venerable, section.
global warming, melting of sea ice...
It costs nothing. Just add apathy and carelessness.
Loss of sea ice on which to rest from their long springtime swims.
polar bears are related to bears.
Polar bears do.
They reproduce.
POLAR BEARS Polar bears actually grow pretty fast.
Polar bears are mammals.
humans are polar bears
Polar bears are bears
A sleuth or a sloth of bears