Species: Bucephala islandica

Barrow's Goldeneye

Species

Birds

Show on Lists

Salish Sea-reliant birds

Terrestrial vertebrates: birds

Encyclopedia of Puget Sound

Classification

Kingdom

Animalia

Phylum

Craniata

Class

Aves

Order

Anseriformes

Family

Anatidae

Genus

Bucephala

NatureServe

Source:
ELEMENT_GLOBAL.2.105817

Classification

Other Global Common Names

garrot d'Islande

Informal Taxonomy

Animals, Vertebrates - Birds - Waterfowl

Formal Taxonomy

Animalia - Craniata - Aves - Anseriformes - Anatidae - Bucephala

Ecology and Life History

Migration

false - true - true - Migrates northward and inland to breeding areas in April. Migrates southward and to the coast October-November (Terres 1980). In British Columbia, breeding and wintering areas for some individuals were 320 km apart (Savard 1985).

Non-migrant

false

Locally Migrant

true

Food Comments

In fresh water forages for aquatic insects, crustaceans, some plant food, small fishes, and fish eggs. In salt water feeds on mollusks (especially blue mussels), some seastars, and marine worms, etc.

Reproduction Comments

Clutch size is 6-15 (usually 10-13). Incubation, by female, lasts about 30 days. In British Columbia, mean hatching date is mid- to late June (Savard et al. 1991). Nestlings are precocial and downy. Pair bond may last more than 1 year (Savard 1985). Intraspecific nest parasitism is common (Savard 1988).

Ecology Comments

In summer usually found in small, scattered groups. In winter often seen in large flocks.

Length

Weight

1090

Conservation Status

NatureServe Global Status Rank

Global Status Last Reviewed

1996-11-21

Global Status Last Changed

1996-11-21

Distribution

Conservation Status Map

Global Range

H - >2,500,000 square km (greater than 1,000,000 square miles) - H - BREEDS: southeastern Alaska, northern Mackenzie, northwestern British Columbia south to eastern Washington, southwestern Oregon, eastern California; Colorado Rockies; Quebec, Labrador, Greenland, Iceland. WINTERS: southern Alaska south along coast to central California (mainly from Washington northward); locally from southern British Columbia and northern Montana to northern Nevada, Utah, Colorado; from Gulf of St. Lawrence south to New York, rarely to South Carolina.

Global Range Code

Global Range Description

>2,500,000 square km (greater than 1,000,000 square miles)

ELEMENT_GLOBAL.2.105817