World Bird List

Species factsheet
Brown-headed Cowbird (Molothrus ater)

Order: Molothrus ater
Family: Oropendolas, Orioles, Blackbirds (Icteridae)

Danske navn: Brunhovedet Kostær

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
artemisiae interior w Canada and w USA
obscurus coastal Alaska, Canada, USA and nw Mexico
ater se Canada, e and c USA and ne Mexico
Annoncer