The UK's oldest polar bear has been euthanised due to her deteriorating health, the Royal Zoological Society of Scotland ...

Polar bears (Ursus maritimus) give birth in dens that they dig up deep beneath the snow. After birth, the cubs remain in the den for many months and grow as much as 20 times their birth weight.

Denning begins with pregnant polar bears sealing themselves inside dens dug out under the snow, where they give birth. Polar bears are born about as pathetic as humans, and the den protects them ...

Victoria, the UK’s oldest polar bear, has died at the age of 28. The Royal Zoological Society of Scotland (RZSS) made the ...

Polar bear mothers in the Arctic generally give birth in early January around the start of the new year. The cubs are born completely blind, do not have their signature snow-colored fur ...

Denning begins with pregnant polar bears sealing themselves inside dens dug out under the snow, where they give birth. Polar bears are born about as pathetic as humans, and the den protects them ...

Polar bears typically give birth around New Year, at which point the cubs are blind, hairless, and just a 1/2 kg (or 1 lb). They grow quickly, nursing on their mom's milk which is 31% fat ...

Living off one of the richest oceans in the Arctic, the polar bears by the Chukchi Sea appear to be thriving. Females are in good health and give birth to healthy cubs. Overall, this Alaskan ...

BJ Kirschhoffer/Polar Bears International The entire food chain in the region relies on the sea ice as well, from the algae that grows in the ice to seals, which rely on the ice to give birth ...

It’s amazing that during the darkest, coldest time of year, polar bears give birth to their warm-blooded young in an icy den. At birth, the helpless one-pound cubs have no fur and their eyes are ...

when polar bears give birth to and nurse their cubs. Past research has established that polar bear cubs’ odds of survival are impacted by how long their mothers spend denning. However, the underlying ...

A Minnesota zoo shared a post on social media giving an update on one of its polar bears after a viral video sparked concerns over the bear’s health. “Neil holds a special place in our hearts, and he ...