Townsend's Warbler - Setophaga townsendi

Song: Rapid buzzing song "zoo zoo zoo zeeee skeea skeea" or "zi zi zi zi zi zeedl zeedl" or "weezy weezy weezy dzeee" often rising in pitch at the end of the song. Higher and thinner than Black-throated Grey Warbler. Call notes tend to be crisper than other black-throated warblers.

Sound: John Neville (Bird Songs of the Arctic); Canada, Yukon; Tintina Trench - Boreal Forest; Adult; Primary Sound;