The model follows the full life cycle of individual polar bears from ... During this period, the region's polar bear population dropped by almost 50 percent. In addition, the average size of ...

Above-ambient temperatures also indicate a bear in a den ... gave us a detailed look at this cryptic component of polar bears’ life cycle. By linking images back to data from the collars ...

The Detroit Zoo has a new resident in its Arctic Ring of Life as Haley, a 22-year-old polar bear, recently arrived from the ...

Read on to learn more about the nature of grizzly-polar bear hybrids, including their physical characteristics, life cycle and whether they can survive in the wild. The grolar bear, also known as ...

Why did the brown bear evolve into the polar bear? Animation describing how brown bears adapted to life in the Arctic. Sam, a young tortoise, is hungry. Grandad Charlie tells him a story about how ...