Length: 5 in. long
Wgt.: 8-14g
Mostly insects, plus other invertebrates
Typically one brood per year, 3-5 eggs per clutch, female thought to build nest and incubate eggs; incubation about 12 days but no real data on fledging time; cowbird host
At least 8 years, 2 months
Some killed in collisions with buildings and other structures during migration. Loss of mature conifers can be a problem, and deforestation will likely become a problem very soon. Exotic insects that kill mature conifers pose a significant threat in the North Carolina mountains.