General
Information
- Medium-sized dabbling duck with very long neck,
small head and attenuated rear
- Juvenile similar to adult female
Adult male alternate
- Alternate plumage worn from fall through early
summer
- Pale gray bill with black stripe down center
- Dark brown head
- White neck, breast and belly with white finger
extending up back of neck to rear part of face
- Gray flanks and back with black centers to back
feathers
- Whitish patch at rear portion of flanks bordering
undertail coverts
- Black undertail coverts
- Long, black central tail feathers
- Green speculum with white rear border and chestnut
forward border
Adult male basic
- Similar to adult female but retains green speculum
Adult female
- Gray bill
- Tan head and neck
- Mottled tan and dark brown back and body plumage,
paler on belly
- Brown speculum with white rear border
Similar species
Adult male unmistakable in alternate plumage. Females, immature and
eclipse-plumage males are similar to many other female ducks but have
a distinctive shape: very long-necked, small-headed and pointed-tailed.
Note also female's brown speculum bordered at the rear by white. |