2. People believe/believed trumpeter swans to be nearly extinct:
a) in 1776 b) in 1900 c) in 1959 d) today

3. A female swan is called a:
a) hen b) cob c) pen d) squib

4. Attempts to protect trumpeter swans outside Yellowstone National Park included all except:
a) Migratory Bird Treaty Act of 1918 b) establishment of Red Rock Lakes National Wildlife Refuge in 1935 c) Endangered Species Act of 1973

5. Two trumpeter swan flocks currently use Yellowstone National Park.
a) true b) false

6. Trumpeter swans winter in Yellowstone because of its
a) high elevation b) mild temperatures c) dense forests d) water influenced by hot springs

7. Trumpeter swans mate for life.
a) true b) false

8. The greatest speed that a trumpeter swan can fly with the wind at its back is
a) 80 mph b) 20 mph c) 55 mph d) cannot fly at all due to its great size

9. The diet of a trumpeter swan consists mostly of
a) carrion b) rodents c) aquatic plants d) worms

10. Although a swan pair will defend its nest against predators, the couple encourages other trumpeter swans to remain close to their nesting site.
a) true b) false

11. Park regulations in Yellowstone National Park say that visitors may approach as close to a swan as they desire because swans pose no threat to human life.
a) true b) false

12. Trumpeter swan cygnets learn how to swim and fly at the same time.
a) true b) false

13. Dangers to trumpeter swans nesting in Yellowstone National Park include
a) visitor disturbance b) flooding of nest sites c) predators d) a and c e) all of the above

14. Every year adult swans lose their primary feathers. This process is called
a) shedding b) metamorphose c) molting d) exfoliation

15. Dangers for migrating swans include
a) telephone and power lines b) hunting c) habitat loss
d) a and c e) all of the above

16. Trumpeter swans sometimes eat old pellets of lead shot from past hunting seasons.
a) true b) false

17. A trumpeter swan is very similar in appearance to a(n)
a) osprey b) tundra swan c) pelican d) California gull e) Canada goose

18. Once a female trumpeter swan lays her eggs, she never leaves the nest until all of the eggs have hatched.
a) true b) false

19. When returning to Yellowstone for the winter, migrating swans find limited winter habitat and often leave the park after only a few weeks.
a) true b) false

20. The number of swans that live year-round in the Yellowstone area is declining due to
a) lack of recruitment of new members to the population b) failure of eggs to hatch c) forest fires d) a and b e) a and c