Photos: 4
Forms: 2 (F/americanus, M/americanus)
North American (americanus)
US-AZUS-MDUS-VA
2ISSF, Eurasian and North American indicate their respective areas.
Plumage varies, with female more-or-less similar but eclipse male mirroring female in non-breeding (JUN-AUG).
M/F differ, with males sporting a green head/beck and whiter body and females a brown head/neck with duskier body.