* Lived in North America during the Pleistocene epoch (2.6 million years ago to 11,700 years ago)
* One of the largest bears that ever lived, standing up to 11 feet (3.3 meters) tall at the shoulder and weighing up to 2,800 pounds (1,270 kilograms)
* Extinct by the end of the last ice age
* Giant panda (Ailuropoda melanoleuca)
* Lived in China during the Pleistocene epoch and possibly earlier
* A bamboo-eating bear that was slightly larger than the modern giant panda, standing up to 6 feet (1.8 meters) tall at the shoulder and weighing up to 460 pounds (210 kilograms)
* Extinct by the late Pleistocene epoch
* Atlas bear (Ursus arctos crowtheri)
* Lived in North Africa during the late Pleistocene epoch and possibly earlier
* A subspecies of the brown bear that was smaller than the modern brown bear, standing up to 5 feet (1.5 meters) tall at the shoulder and weighing up to 590 pounds (270 kilograms)
* Extinct by the early Holocene epoch (11,700 years ago to present)
* Mexican grizzly bear (Ursus arctos nelsoni)
* Lived in Mexico during the late Pleistocene epoch and possibly earlier
* A subspecies of the brown bear that was similar in size to the modern grizzly bear, standing up to 8 feet (2.4 meters) tall at the shoulder and weighing up to 800 pounds (360 kilograms)
* Extinct by the early Holocene epoch
* California grizzly bear (Ursus arctos californicus)
* Lived in California during the late Pleistocene epoch and possibly earlier
* A subspecies of the brown bear that was similar in size to the modern grizzly bear, standing up to 8 feet (2.4 meters) tall at the shoulder and weighing up to 800 pounds (360 kilograms)
* Extinct by the early Holocene epoch