Description of the Cerulean Warbler
BREEDING MALE
The Cerulean Warbler has white underparts with dark streaks on the flanks.
Males have dark blue upperparts, head, and neck, with a white throat and blue breast band. They have dark blue wings with two white wing bars.
Female
Females are an unusual shade of blue-green above, with a pale supercilium and grayish wings with two white wing bars.
Seasonal change in appearance
None.
Juvenile
Immatures are similar to adults, but duller.
Habitat
Cerulean Warblers inhabit mature, deciduous forests.
Diet
Cerulean Warblers eat insects.
Behavior
Cerulean Warblers forage rapidly, high in the tree canopy.
Range
Cerulean Warblers breed in parts of the eastern and central U.S. They winter in South America. The population has declined rapidly in recent decades.
More information:
Bent Life History
Visit the Bent Life History for extensive additional information on the Cerulean Warbler.
Fun Facts
Forest fragmentation and cowbird parasitism are listed as reasons for the sharp decline of this species.
The Cerulean Warbler is a candidate for listing under the Endangered Species Act.
Vocalizations
The song is a musical buzz.. A short, buzzy flight call is also given.
