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Nuisance Black Bears

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Another presentation I gave to my Animal Science 500 class. From the time I first started working with orphaned black bear cubs, I have been interested in human-bear conflicts. My presentation outlines how "nuisance" black bears are commonly dealt with in North America.

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Nuisance Black Bears

  1. 1. POP QUIZ: Do these foods have anything in common? 25 hamburgers 3 kg nuts 8 ½ cheese pizzas 36 kg fruit 3 ½ kg sunflower seeds
  2. 2. NUISANCE BLACK BEARS Meghann Cant February 25, 2008
  3. 3. OBJECTIVES <ul><li>What are “nuisance” black bears? </li></ul><ul><li>How are they created? </li></ul><ul><li>What can be done about them? </li></ul>
  4. 4. A NUISANCE BEAR <ul><li>Comes into conflict with humans </li></ul><ul><li>Usually food is involved </li></ul><ul><li>Also called a “problem” bear </li></ul>
  5. 5. BECOMING A NUISANCE BEAR
  6. 6. FOOD-CONDITIONING <ul><li>An attraction to unnatural food sources </li></ul><ul><li>Examples: </li></ul><ul><ul><li>garbage </li></ul></ul><ul><ul><li>compost </li></ul></ul><ul><ul><li>pet food </li></ul></ul><ul><ul><li>bird feeders </li></ul></ul>
  7. 7. HABITUATION <ul><li>The toleration of a human presence </li></ul><ul><li>Learns to ignore or even intimidate people to get food </li></ul>
  8. 8. DEALING WITH A NUISANCE BEAR
  9. 9. AVERSIVE CONDITIONING <ul><li>Chasing, scaring, or inflicting pain </li></ul><ul><li>Effective for how long? </li></ul><ul><li>Basically… </li></ul>
  10. 10. AVERSIVE CONDITIONING (McCarthy and Seavoy 1994)
  11. 11. TRANSLOCATION <ul><li>Sedated or trapped and released in a new location </li></ul><ul><li>Ideal distance? </li></ul><ul><li>Well… </li></ul>It depends on the bear! (Hristienko and McDonald 2007)
  12. 12. TRANSLOCATION (Landriault et al . 2006)
  13. 13. PROBLEMS <ul><li>Effectiveness? </li></ul><ul><li>Methodology? </li></ul><ul><li>Alternatives? </li></ul>
  14. 14. ANY QUESTIONS? Photos courtesy of Verity Catt

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