Length: 5.5 in. long
Weight: 10-11g
Small insects, spiders and other arthropods
More than one brood possible, 3-4 eggs per clutch, incubation and nest building by female, incubation about 12 days and young leave nest in about 8 days, common cowbird host throughout breeding range
At least 8 years
Likely some killed from collisions with buildings and other structures during migration. Forest fragmentation may limit suitable nesting sites and deforestation on wintering grounds could become a problem for this territorial species that segregates by sex on wintering grounds. On a continental scale, still widespread and abundant.