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Isle Royale

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Softball Fourteen

on 29 April 2010

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Transcript of Isle Royale

1. When was the Bedrock formed supporting Isle Roale? 1 billion years ago. 2. When did the glaicers retreat? 8,000 years ago. 3. When did the Native Americans mine copper on Isle Royale? 3,000 years ago. 4. When did Isle Royale become a national park? 1931 5. Where is Isle Royale located? The northwest part of Lake Superior. 6. How long is it? 50 miles long, 8 miles wide. Day 1 Day 2 1. When did the moose arrive on the island? 1900 2. How did they get there? They probably swam to the island. 3. How much do moose eat a day? 40 pounds 4. What is a moose's maximum life span? 17 years old 5. What is the average life span? 9 years old 6. What percent of their energy do bull moose use growing antlers? 25% 7. Out of 10 cows, how many will be pregnant going into winter? 8 8. How many cows will have surviving calves by spring 1 or 2 9. What percent body weight increase do moose put on preparing for winter? Up to 25% 10. How many ticks might each moose have on their bodies in the winter?
80,000 or more 11. What climate condidtions favor tick populations? Warm springs, warm sumers and warm falls. Day 3 1. Wolves weigh how much at birth? No more than a can of soda. 2. What do pups eat? Regurgitated food from their parents. 3. How old are pups when they typically leave the pack? 12 months old. 4. Who is in charge of the pack? The alpha male. 5. How many miles a day/year do wolves walk? 30 miles a day, 4,000 miles a year. 6. How do wolves mark their territory? By scent markings. (a.k.a. peeing) 7. Wolves will attack only __ of every 10 moose they chase. 1 8. Wolves will kill every __ or __ of every 10 moose they attack. 8 9 9. Wolves will attack what parts of the moose? The "rump",(a.k.a. the butt), and the nose. 10. How many olfatory receptors does a wolf have? 280 million 11. Of the wolves that survive their six to nine months, most are dead by __ or __ years of age. 3 4 12. Every year, one in __ or __ adult wolves dies in a healthy wolf population. 4 5 13. The 2 causes of wolf death are primarily ___________ and __________________________. starvation death from other wolves 14. What bones show deformities in wolves? Bone defomities. 15. What is causing the deformities? Inbreeding. 16. How many pounds a day can a raven eat? 2 pounds. 17. Does a large or small wolf pack have an advantage over scavengers? Larger. Isle Royale Laura McCallum 1st Hour
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