Brown-headed Cowbird
ID - BHCO12
ID - BHCO13
ID - BHCO14
ID - BHCO15
ID - BHCO5
ID - BHCO6
ID - BHCO
ID - BHCO2
ID - BHCO11
Cowbirds actually lay their eggs in the nests of other birds. When they hatch the hatchling will kick the other young out of the nest and the unsuspecting parent will raise the cowbird chick. The pictures below show this with a Yellow-throated Warbler.
ID - BHCO10
ID - BHCO08
ID - BHCO09
ID - BHCO07