Also known as: Audubon's Warbler, Myrtle Warbler
14 cm (5-6") Abundant. Coniferous and mixed woodlands.
Bright yellow rump, crown patch and side patch.
Two forms exist:
Myrtle Warbler: in the north and east has a white throat and males have eyebrow stripe and contrasting black cheek patch.
Audubon's Warbler: in the west has a yellow throat and male has no contrasting cheek patch.
Female and Fall Male and Immatures: Females and fall males have yellow shoulder patches, immatures lack this. Both have bright yellow rumps.
Song: rising or falling trill (Mryrtle) or warble (Audubon's).