Indigo Bunting (Passerina cyanea)
Description: The males of this small species are bright blue. The immatures and females are brown.
Where to look: In eastern Pennsylvania, this fairly common bird species can be found in many open areas and forest edges. Look at the tops of small trees and shrubs, as well as power lines for singing males.
Sound: A whistled song with doubled notes. Fire, fire, where, where, here, here, etc.
