Which is the smallest hummingbird species in North America?
A Berylline
B Calliope
C Rufous
The Calliope hummingbird is about 3 inches long and weighs just one-tenth of an ounce. Some of these birds migrate every year from Canada to southern Mexico. During migration, they are easily overlooked as they feed on low flowers and avoid the aggressive behavior of larger hummingbirds.
Correct Answer: Calliope