MALE BROWN-HEADED COWBIRD

Male cowbirds are actually quite attractive with their shiny black plumage and chestnut brown heads.

FEMALE BROWN-HEADED COWBIRD

As with most female blackbirds, the female brown-headed cowbird is very plain.

COWBIRD IN HIS NATURAL ELEMENT

Cowbirds evolved to follow and feed amongst the great herds on the North American plains. In order to follow their food supply, they became nest parasites leaving their eggs for other birds to hatch and raise.