Two lineages evolved from U. minimus: the black bears (including the sun bear, the Asian black bear, and the American black bear); and the brown bears (which includes the polar bear).

Nov 20, 2025 · Bear, any of eight species of large short-tailed carnivores found in the Americas, Europe, and Asia. The sun bear is the smallest, often weighing less than 50 kg (110 pounds).

They can be as small as four feet long and about 60 pounds (the sun bear) to as big as eight feet long and more than a thousand pounds (the polar bear). They’re found throughout North America...

May 27, 2024 · While several bear species of today are vulnerable to extinction, only a few bear species or subspecies have become extinct in recent history. This includes the Californian grizzly bear in the …

From the small and adorable sun bear, to the massive and majestic polar bear – species of the bear family are found on almost every continent on Earth.

Bear Evolution Early bears Bears are the youngest of the carnivore families, having arisen from doglike ancestors during the Eocene Epoch 55 million to 38 million years ago.

Oct 23, 2025 · North America is home to three different species of bear: black bears (Ursus americanus); brown bears, also called the grizzly bear (Ursus arctos); and polar bears (Ursus …

Bear is the common name for any of the mammals comprising the family Ursidae of the Carnivora order, characterized by a large and heavy body, thick fur, relatively short but stocky legs, and short tails.

Sep 30, 2025 · Weighing in at over 1,200 pounds, Bear 32, appropriately named Chunk, is the 2025 champion of Fat Bear Week.

Oct 26, 2021 · When trying to identify a bear, do not rely on color and size alone, as they can be misleading. Instead, use tracks and the physical appearance of a bear to determine whether it is a …