Polar Bear Standing On Ice

The arctic sea has much less ice than it had some years ago.

Polar bear standing on ice.

A polar bear standing on melting sea ice in svalbard norway in 2013. From an ice pack polar bears can prey on seals. Pushed further out onto the ice or stranded on the shore polar bears like many other large carnivores are under severe threat. As climate change disproportionately warms the arctic the future looks increasingly bleak for.

On average polar bears on all fours are 3 5 to 5 feet 1 to 1 5 meters tall but when standing on its hind legs an adult male polar bear may reach more than 10 feet 3 m. Cave bear skeletons were first described in 1774 by johann friederich esper in his book newly discovered zoolites of unknown four footed animals while scientists at the time considered that the skeletons could belong to apes canids felids or even dragons or unicorns esper postulated that they actually belonged to polar bears twenty years later johann christian rosenmüller an anatomist. The polar bears in svalbard were abundant. The polar bear ursus maritimus is a hypercarnivorous bear whose native range lies largely within the arctic circle encompassing the arctic ocean its surrounding seas and surrounding land masses it is the largest extant bear species as well as the largest extant predatory carnivore.

As the sea ice melts earlier and earlier polar bears are forced to swim more and more to reach seal populations said author blaine griffen a biologist at byu in a release. A boar adult male weighs around 350 700 kg 772 1 543 lb while a sow adult female is about half. Due to global warming the natural environment of the polar bear in the arctic has changed a lot. Polar bears better off on land.

Svalbard expedition wwf international gert polet wwf. October 26 2017 by biodiversity with ben in 2017 scicomm students conservation. A polar bear managed to get on one of the last ice floes floating in the arctic sea.