Description of the Cerulean Warbler
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.
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
Immatures are similar to adults, but duller.
Cerulean Warblers inhabit mature, deciduous forests.
Cerulean Warblers eat insects.
Cerulean Warblers forage rapidly, high in the tree canopy.
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.
The song is a musical buzz.. A short, buzzy flight call is also given.