Trust Magazine

How Much Do You Know About Wildlife Migration and Free-Flowing Rivers?

Take our quiz to test your waterways knowledge

In this Issue:

  • Winter 2020
  • Progress in 2019
  • Trust, Facts, and Democracy Today
  • Protecting Chilean Patagonia
  • Lessons Learned Today
  • Millions Still Lack Broadband Access
  • Noteworthy
  • Average U.S. Household Size Is Going Up
  • States Combat the Opioid Crisis
  • Cashless Retailers Problematic for Some
  • How Much Do You Know About Wildlife?
  • Explaining Why Survey Estimates Vary
  • Restoring Oysters in New York Harbor
  • Got an Electric Car?
  • Return on Investment
  • A Post 911 Generation of Veterans
  • View All Other Issues
How Much Do You Know About Wildlife Migration and Free-Flowing Rivers?
  1. In 2016, researchers documented this animal making the longest known land-based migration in the lower 48 states, traveling more than 240 miles from the low elevation winter range of Wyoming’s Red Desert to the mountain slopes of northeast Idaho. Is it a/an:
    1. Mule deer
    2. Antelope
    3. Bison
    4. Elk
  2. Which of the following is not an impediment to large animal migration?
    1. Rivers
    2. Fences
    3. Highways
    4. Development
  3. Collisions between large animals and vehicles are a danger to travelers and migrating animals. They’re also expensive. How much do these collisions cost Americans each year?
    1. $8 million
    2. $15 million
    3. $500 million
    4. $8 billion
  4. How many of the more than 90,000 dams on the U.S. Army Corps of Engineers National Inventory of Dams list need repair or are still operating beyond their life expectancy?
    Jennifer Sharp/Getty Images
    1. Less than 1 percent
    2. 10 percent
    3. 20 percent
    4. About a third
  5. How do dams affect rivers?
    David Gregg/Getty Images
    1. Adversely affect water quality, including increasing water temperatures, sometimes to levels that are lethal for aquatic wildlife
    2. Alter the habitat and block the movement of fish and other aquatic species
    3. Trap sediment and prevent it from moving downstream
    4. All of the above
  6. Outdoor recreation, including hunting and fishing, generates how many U.S. jobs each year?
    RubberBall Productions/Getty Images
    1. 258,000
    2. 1 million
    3. 3.4 million
    4. 7.6 million
  7. A culvert is a structure, often a metal or concrete pipe, that allows a river to flow from one side of a road or trail to the other. How might a culvert pose a serious barrier to the natural movement of fish and other animals?
    1. Set above the riverbed, creating a fall that restricts wildlife movement
    2. Too small, constricting flow and increasing water velocity
    3. Shallow placement, resulting in inadequate water flow
    4. All of the above
  8. What percent of U.S. rivers are federally protected?
    Olympic National Park
    1. Less than 1 percent
    2. 25 percent
    3. About half
    4. All
Please answer all questions to get your score.

{passfail} Thanks for testing your knowledge with our quiz! Let’s see how you did. You got {score} out of {total_questions}!

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This article was previously published on pewtrusts.org and appears in this issue of Trust Magazine.

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Free-flowing rivers are the lifeblood of wild landscapes, providing habitat and food to myriad aquatic and terrestrial plant and animal species. Rivers are also the source of more than two-thirds of the drinking water in the United States, yet fewer than 1 percent of those waterways fall under federal or state protection.

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