Immature male Orchard Oriole taken in Maine. Photo by Geoff Dennis.

Immature male Baltimore Oriole in yard. Photo by Geoff Dennis.

First Spring male Baltimore Oriole in yard. Photo by Geoff Dennis.

Baltimore Oriole in yard. Photo by Geoff Dennis.

Female Baltimore Oriole, mid-June, in yard. Photo by Geoff Dennis.

Female Orchard Oriole taken in Maine. Photo by Geoff Dennis.

Immature male Bullock's Oriole in South Dartmouth, MA, February 3, 2001. Photo by Geoff Dennis. Slide scans.

Adult male Baltimore Oriole in yard. Photo by Geoff Dennis.

Adult female Baltimore Oriole in yard. Photo by Geoff Dennis.

Immature Baltimore Oriole in yard. Photo by Geoff Dennis

Immature female Baltimore Oriole in yard. Photo by Geoff Dennis.

Orchard Oriole, adult male, taken in Maine. Photo by Geoff Dennis.