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Isle Royal

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fudge is good

on 29 April 2010

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Transcript of Isle Royal

Isle Royal When was the Bedrock formed supporting Isle Royal? 1 billion years ago! When did the glaciers retreat? 8,000 years ago When did Native Americans mine copper on Isle Royal? 3,000 years ago When did Isle Royale to become a national park? 1931 Where is Isle Royal located? Northwest corner of lake Superior How long and wide is it? 50 miles long and 8 miles wide. When did the moose arrive on the island? About 1900's Moose How did they get there? Swam How much do moose eat a day? 40 lbs What is a moose’s maximum life span? 17 years What is the average life span? What percentage of their energy do bull moose use growing antlers? Out of 10 cows, how many will be pregnant going into winter? 8-10 cows How many cows will have surviving calves by spring? 1 or 2 What percent body weight increase do moose put on preparing for winter? 25 percent 1.How many ticks might each moose have on their bodies in the winter? What climate conditions favor tick populations? 1.Warm springs, warm summers, and warm falls are likely to favor ticks Wolves weigh how much at birth? Wolves A can of soda What do pups eat? food is regurgitated for the pups to eat How old are pups when they typically leave the pack? 12 months+ Who is in charge of the pack? Alpha male & Female How many miles a day/year do wolves walk? 30/4000 miles How do wolves mark their territory? Urinate or defecate Wolves will attack only 1 of every 10 moose they chase Wolves will kill every 8 or 9 of every 10 moose they attack
Wolves will attack what parts of the moose? rump and nose How many olfactory receptors does a wolf have? 280 Million Of the wolves that survive their first six to nine months, most are dead by 3 or 4 years of age. Every year, one in 6 or 9 adult wolves dies in a healthy wolf population. The 2 causes of wolf death are primarily lack of food and, being killed by other wolves. Which bones show deformities in wolves? vertebrae What is causing the deformities? Inbreding How many pounds a day can a raven eat? 2 lbs Does a large or small wolf pack have an advantage over scavengers? large The End By: Meghan Chapko
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