Can You Identify These Eight North American Swallows?
Mystery Swallow #2
Males have metallic-green or blue-green backs; females are brown above. Both are white below, and the tail is notched. A cavity nester, it has benefitted from the popularity of bluebird nest boxes. Hint: When bluebird houses are not available, it nests in tree cavities.
a) Tree swallow
b) Barn swallow
c) Violet-green swallow
d) Cliff swallow
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Tips for Easy Bird Identification
Identifying birds is at the very heart of bird watching. Each bird encountered is like a little puzzle or mystery to solve, because, while birds of a single species all share a certain set of physical traits, no two individual birds, like no two individual humans, are exactly alike.