The polar bear life cycle begins at birth when a cub first enters the world in a den. Follow the life cycle of the polar bear at each stage of life...
The life of a polar bear shows a feasting and fasting cycle. These large carnivores devour huge amounts of seals when the food is in abundance. They build fat reserves between April and July each year. These reserves are used to survive the food-free seasons that can last 3-4 months. ...
Twin cubs, one a boy and one a girl, are born to a mother polar bear high in a mountain cave. As they leave their birth home the two cubs start to find out what life on the ice is all about. Through the first year it’s learning how to fish and to be cautious with their cold...
Over the last 10 years, Hudson Bay polar bears have morphed from being the “most at risk” across the Arctic to the “least at risk.” Who would have thought? That’s probably because the experts now have to admit that polar bear numbers havenot declined since 2004and bears have beenin...
Declining Arctic sea ice is increasing polar bear land use. Polar bears on land are thought to minimize activity to conserve energy. Here, we measure the daily energy expenditure (DEE), diet, behavior, movement, and body composition changes of 20 different polar bears on land over 19–23 day...
(浮冰群) in search of food.These bears have adapted to a high fat diet from ocean-going animals:they are rapid and dangerous swimmers,allowing them to easily catch animals as food.Each summer,as the pack ice starts to become smaller,polar bears draw closer to land to ...
If you’ve found the topic of polar bear behavior interesting and wish to continue exploring the lives of these incredible animals, we recommend extending your journey to understanding these creatures. Diving into a visual exploration of a polar bear’s aquatic life can offer an extraordinary persp...
Few children grow up without knowing or having a toy bear but how much do you know about bears’ life? How do bears get food? Some large bears have claws (瓜子) about five inches long. They use the claws to dig up roots (根) and catch fish. In the snow a polar bear (北极熊) ...
Crandall may have been unaware of the earlier Halle hybrids when he reported the first polar bear/brown bear cross as occurring at a small zoo in Stuttgart, Germany, where a female European brown bear (A. a. arctos) paired to a male polar bear gave birth to twin cubs in 1876. At leas...
National Geographiceditors also released “there is no way to know for certain why this bear was on the verge of death”. But it’s all too late. The video went viral three years ago, it’s still out there, and people are naive enough to believe that it’s true. Because the video ...