– [Narrator] Years are extra variable now, and polar bears are displaying surprising flexibility.
They seek for smaller prey and scavenge or combat over scraps.
The Arctic Refuge is a protected residence, however there isn’t any refuge from the skin world.
It is too sizzling for them.
The July report right here is now 85 levels Fahrenheit.
It is typically hardest for a mom.
Polar bear cubs are born in mid-winter.
This coast is certainly one of an important onshore denning areas in North America.
These cubs are virtually two years outdated, however nonetheless want their mom’s milk.
(bears grunting) Polar bears have declined in the southern Beaufort Sea.
There are about half of how many had been right here 35 years in the past.
These are determined instances.
(machines rumbling) North Alaska has the biggest oil subject in America.
The bottom at Prudhoe Bay is subsequent to the Arctic Nationwide Wildlife Refuge.
It is a stark reminder of the trigger of the altering seasons.
(machines rumbling) Pipelines lengthen south and cross a number of caribou migration routes.
The polar bears seek for meals throughout land now scarred by oil exploration.