Brewer's Blackbird (Euphagus cyanocephalus)
Song: There are two song forms, Schl-r-r-r-up is a harsh, gurgling rush of air, Dzzzzzzz is a high, buzzy whistle (Martin 2002).
Call: A harsh check.
Brewer's Blackbird call and song, June 6, 2010. Buena Vista Grasslands, Portage County, Wisconsin. The song given is the Schl-r-r-r-up form.
Martin, Stephen G. 2002. Brewer's Blackbird (Euphagus cyanocephalus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/616 doi:10.2173/bna.616