Thursday 22 September 2016

BEARS

I’m going to be talking about types of Bears, size, Diet and populations of bears. Here are my questions about bears.What is the most common type of Bear in America? How many bear attacks are there in the US per year? How many Grizzly bears are there in Yellowstone? What is the biggest Black Bear? Why do people kill them? What is the biggest brown bear? What is bigger Polar Bear or Kodiak Bear? How big was a California Grizzly?.


First of all I will be listing the different types of bears. North American Black Bear, Brown Bear, Polar Bear, Asiatic Black Bear/ Moon Bear, Andean Bear, Panda Bear, Sloth Bear and Sun Bear. Now for their subspecies, The Brown Bear’s subspecies are Atlas Bear, Bergman’s Bear, Blue Bear, Eurasian Brown Bear, Marsican Brown Bear, Himalayan Brown Bear, European Brown Bear, Gobi Bear, Grizzly Bear, Ussuri Brown Bear, Kamchatka Brown Bear, Kodiak Bear, Syrian Brown Bear, East Siberian Brown Bear and Mexican Grizzly Bear. The American Black Bear’s subspecies are Cinnamon Bear and Kermode Bear, The Sloth Bear’s Subspecies are Sri Lankan Sloth Bear and Indian Sloth Bear. The Asiatic Black Bear two Subspecies are The Pakistan Black Bear and the Formosan Black Bear. Extinct types of Bears are California Grizzly, Dwarf Giant Panda and Florida Spectacled Bear.


Now we have the size of bears. The two biggest types of bears are Kodiak Bear and Polar Bear and the biggest bear ever was a Kodiak Bear which was 14 feet tall and weighed 2500 lbs though Polar Bears are generally bigger. The biggest California Grizzly weighed 2200 lbs. The heaviest North American Black Bear ever weighed 902 lbs. Bears biggest to largest are as follows, 1 Polar Bear 2 Brown Bear 3 American Black Bear 4 Asiatic Black Bear 5 Sloth Bear 6 Spectacled Bear 7 Giant Panda 8 Sun Bear.


Moving on we have population. In Yellowstone there is an estimated population of 280-610 Grizzly bears and 500-650 North American Black bears. An endangered species of bear is the Marsican Brown Bear With a population of only 30-60 left. Another endangered species is the Giant Panda with a population of around 1864 left in the wild in 2014. Although this is still quite low it is actually very good as in the late 1970s it only had a population of about 1000.


Bears are omnivores so they eat both meat and plants. A Panda’s diet consists of 99% bamboo and 1% of other plants and even meat. Grizzlies eat berries, nuts, rodents, mushrooms, Fish, Eggs, Baby Deer, Bald Eagles and Large Mammals including Moose, Caribou, sheep, bison and even Black ears though they are more likely to take babies and injured individuals rather than healthy adults. Grizzly Bears living in Yellowstone often compete with Gray Wolves for food usually over an Elk that the wolves have killed sometimes a wolf will try and distract the Grizzly Bear while the others feed. If the wolves become aggressive with the bear it is usually by quick nips to the hind legs. Conflict like this rarely ends in death or serious injury one carcass is simply not enough to the wolves (if the bear has the upper hand) or to the bear (if the wolves are persistent.) Although wolves usually dominate meetings at wolf dens there are reportings of Grizzlies and Black Bears killing wolves and cubs at wolf dens.

On average Black bears kill less than one person in the US per year. Thank you for taking the time to read my report on Bears I hope you enjoyed it.

1 comment:

  1. Hello, Jack B. I am Mate, a student from Room 7. This is an amazing article on bears, Jack! There was a lot of information in there that I didn't know about. Infact, this report took me 8 minutes, 16 seconds, and 32 milliseconds to read! Check out my blog at Mate@paroagrey.school.nz.

    Thanks,

    From Mate.

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