Grizzly Bear: Classification and Taxonomy

 Domain: Eukaryota - Organisms with complex cells which will contain a nucleus.

Kingdom: Animalia - Multicellular, eukaryotic organisms that breathe oxygen, consume organic material, and can physically move.

Phylum: Chordata - Animals that possess a notochord, a dorsal nerve cord, pharyngeal slits, an endostyle or thyroid gland, and a tail extending beyond the anus.

Class: Chordates with mammary glands for nursing young, a neocortex in the brain, body hair or fur, three bones in the middle ear, and warm-blooded metabolism.

Order: Carnivora - Mammals that primarily eat meat, equipped with specialized teeth for capturing and consuming prey, often characterized by powerful jaws and heightened senses.

Suborder: Caniformia - Carnivores that typically have non-retractable claws and long snouts.

Family: Ursidae - Large mammals with stocky legs, large paws, long snouts, shaggy hair, and a “plantigrade” walk.

Genus: Ursus - Bears characterized by their large bodies, powerful limbs, and relatively short tails.

Species: U. arctos - Grizzly bears, recognized by their brown fur with white-tipped hairs, a prominent shoulder hump, and long claws, large in size.

Subspecies: U. a. horribilis - The North American grizzly bear, known for its distinctive shoulder hump and varying shades of brown fur.


References

  1. National Park Service. (n.d.). Grizzly Bear. Retrieved from https://www.nps.gov/noca/grizzly.htm#:~:text=Why%3F-,Grizzly%20bears%20occupied%20the%20North%20Cascades%20region%20for%20thousands%20of,some%20Tribes%20and%20First%20Nations.

  2. National Wildlife Federation. (n.d.). Grizzly Bear. Retrieved from https://www.nwf.org/Educational-Resources/Wildlife-Guide/Mammals/Grizzly-Bear#:~:text=Grizzly%20bears%20can%20live%20to,also%20about%2031%2C000%20in%20Alaska.

  3. World Wildlife Fund. (n.d.). Grizzly Bears. Retrieved from https://www.worldwildlife.org/magazine/issues/spring-2014/articles/encounters-of-the-grizzly-kind

  4. Britannica. (n.d.). Grizzly Bear. Retrieved from https://www.britannica.com/animal/grizzly-bear

  5. Wikipedia contributors. (2023, June 24). Grizzly bear. Wikipedia, The Free Encyclopedia. Retrieved July 28, 2024, from https://en.wikipedia.org/wiki/Grizzly_bear

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