"Our bluebird house had eggs and babies for many ... What happened," asks Pauline Kelly of Homewood, Alabama. This sounds like the work of a house wren. While small and cute, house wrens can ...

The eastern bluebird is a species familiar to millions in eastern North America. Polytypic. Length 7" (17.5 cm). Male: bright blue above, with orange throat, ear surround, chest, sides ...