All 50 states and the District of Columbia have official birds. To become a state bird, it helped to be familiar, colorful, and have a punchy song. The Northern Cardinal perches as state bird in seven eastern states, the Western Meadowlark in six western states. Bluebirds - like this…

A Pigeon Guillemot, a sprightly seabird, is considered an "indicator species," meaning a species that "indicates" the health of an environment. A large group of Whidbey Island Audubon volunteers in Washington State has been studying the 1,000 or so guillemots that breed on the island. In…