common goldeneye (Bucephala clangula)
CONFIRMATION STATUS: Confirmed.
Length: 13 inches Wingspan: 31 inches
Medium-sized diving duck
Gently sloped forehead
Black bill is small, but larger than in Barrow's goldeneye
White patches on the secondaries and secondary coverts visible in flight
Immature female is similar to the adult female, immature male is like adult female but has a white breast,a darker head and a trace of the male's white patch before the eye
Adult male alternate:
Alternate plumage worn from fall through early summer
Glossy greenish head
White circular patch below eye on face
White lower neck, breast, belly and flanks
White scapulars with black striping
Adult male basic:
Similar to adult female
Dark-based bill with light patch at tip
Gray body, paler on the breast and darker on the back
White patch on wing split by two dark bands
Similar species: Inconclusive
Breeding Habitat: Wetland-open water
Nest Type: Cavity clutch
Length of Incubation: 28-32 days
Days to Fledge: 56-60
Number of Broods: 1
Diet: Primarily aquatic invertebrates; lesser quantities of green plant
matter, seeds, and fish
SKY MEADOWS DISTRIBUTION/SEASONAL OCCURRENCE
Relative abundance and seasonal occurrence are indicated in red below.
C - Common: Likely to be present in good numbers in appropriate habitat and season.
U - Uncommon: May be present in appropriate habitat and season, often in low
O - Occassional: Found in appropriate habitat perhaps only a few times per season,
sometimes low numbers.
R - Rare: May not be recorded every year.
Acc - Accidental: Recorded once or twice, may not be expected again for a long time.
Sp - Spring: March, April, May
Su - Summer: June, July, August
Fall: September, October, November
Winter: December, January, February Acc
Crooked Run Valley