Abundant in most of South
America...a nest parasite.
Molothrus bonariensis
(L 8-8.25" Wt 1.1-1.6 oz)
Itatiaia Nat’l Park
18Oct2017
Molothrus in Greek means
parasite; bonariensis in
Latin means Buenos Aires.
The Shiny Cowbird has driven the
Yellow-shouldered Blackbird to the
brink of extinction in Puerto Rico.
(Scott Weidensaul)
© Matthew
D Medler
Macaulay
Library