American black bear (Ursus americanus), grizzly bear (Ursus arctos horribilis), polar bear (Ursus maritimus) Animal Kingdom. Mammalia.
1. Ursus americanus. Gm. (The North American Black Bear) = American black bear (Ursus americanus)
2. Ursus ferox. Lewis & Clarke. (The Grisly Bear) = grizzly bear (Ursus arctos horribilis)
3. Ursus martimus. (The Polar Bear) = polar bear (Ursus maritimus)
Title: The animal kingdom, arranged according to its organization, serving as a foundation for the natural history of animals : and an introduction to comparative anatomy
Year: 1834 (1830s)
Authors: Georges Cuvier, baron, 1769-1832; Latreille, P. A. (Pierre André Latreille), 1762-1833; Henry McMurtrie, 1793-1865
Subjects: Animals; Zoology
Source: https://commons.wikimedia.org/wiki/File:The_animal_kingdom,_arranged_according_to_its_organization,_serving_as_a_foundation_for_the_natural_history_of_animals_-_and_an_introduction_to_comparative_anatomy_(1834)_(18009222840).jpg
The American black bear (Ursus americanus) is a medium-sized bear native to North America.
The grizzly bear or North American brown bear (Ursus arctos horribilis), less commonly known as the silvertip bear, is a large subspecies of brown bear inhabiting North America.
The polar bear (Ursus maritimus) is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses.