Grizzly bears emily reclite 0period


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Grizzly bears emily reclite 0period

  1. 1. Grizzly Bears Emily Reclite Mr. Buchmann Biology 0 Period 29 April 2011
  2. 2. Statistics <ul><li>The scientific name is Ursus arctos horriblis </li></ul><ul><li>Weight can range from 300-850 lbs for males and 200-450 in females. </li></ul><ul><li>They are 3- 3 ½ feet at the shoulders, but can stand about 8 feet tall. </li></ul><ul><li>Grizzly bears can live about 20-30 years in the wild, and can live more than 40 years in captivity. </li></ul><ul><li>They have a hump of muscles on top of their shoulders. Their coat can range from a silver color to an almost black color. </li></ul>
  3. 3. Habitat <ul><li>Grizzly bears can be found in a number of different habitats from dense forests, to subalpine meadows and arctic tundra. </li></ul><ul><li>In North America they can be found in western Canada, Alaska, Wyoming, Montana, Idaho, </li></ul><ul><li>and Washington. </li></ul>
  4. 4. Behavior <ul><li>They live solitary except during breeding, club rearing, and areas with an abundant source of food such as salmon streams. </li></ul><ul><li>Grizzly Bears go into their dens between October and December and stays in there until early spring. They don’t really hibernate and can easily be woken up in the winter. </li></ul><ul><li>They usually find food in the early morning and evening and rests during the day. </li></ul><ul><li>Their territory can range between 70-400 square miles away, but more than one bear can live in the territory. They will fight for food if necessary. </li></ul>
  5. 5. Diet <ul><li>The grizzly bear is omnivorous and eats berries, roots, fungi, grasses, small fish, carrion, small mammals, and insects. </li></ul><ul><li>They are very good at catching fish and often use their long claws to dig insects out of rotting logs and small mammals out if their burrows. </li></ul><ul><li>In captivity they are fed kale, dog food, monkey biscuits, smelt, NBC carnivore meat, a variety of fruits and vegetables, peanut butter, and fish. </li></ul>
  6. 6. Adaptations <ul><li>Grizzly bears have a great ability to hear and smell, but they have poor eyesight. </li></ul><ul><li>They have a heavy, fleecy undercoat to protect them from the cold. </li></ul><ul><li>They are very good swimmers </li></ul><ul><li>Only cubs can climb trees. </li></ul>
  7. 7. Population <ul><li>Historically, there wear about 50,000 grizzly bears in North America. Today there are 1,000-1,200 remaining in five separate populations in the lower 48 states. </li></ul><ul><li>However, in Alaska there are thought to be 30,000 grizzly bears. </li></ul>
  8. 8. Works Cited <ul><li>Mertz, Leslie Ann. &quot;Bears (Ursidae).&quot; Grzimek's Animal Life Encyclopedia . Ed. Michael Hutchins, et al. 2nd ed. Vol. 14: Mammals III. Detroit: Gale, 2004. 295-307. Gale Virtual Reference Library . Web. 28 Apr. 2011. </li></ul><ul><li>&quot;Grizzly Bear.&quot; Defenders of Wildlife, 2011. Web. 2 May 2011. </li></ul>