Bird Migration

The quiz is now closed. Thank you for your participation.

1. What triggers birds to start fall migration?

d. All of the above

58.1%

e. A and C

31.1%

a. Decreasing number of hours of light

7.6%

c. Changes in food sources, especially insects

2.3%

b. Cooler temperatures

0.8%

2. Which species is NOT a medium-distance migrant (i.e., a species that typically stays within North America)?

a. turkey vulture

30.8%

b. eastern bluebird

19.4%

c. killdeer

19.2%

d. white-crowned sparrow

30.6%