🐦

Brent Goose

Branta bernicla

Least Concern
Wingspan
63.9 cm
Weight
1335.0 g
Family
Anatidae
Order
Anseriformes
On this page

About

A small dark-bodied goose with a black head and neck, small white neck patches, and pale grey belly. Migrates between high-Arctic breeding grounds and temperate coastal wintering areas. Feeds on eel-grass and saltmarsh vegetation in winter. Three subspecies differ in belly coloration.

Physical Description

Measurement Value Imperial
Wingspan 63.9 cm 25.2 in
Weight 1335.0 g 47.09 oz

Identification

Plumage

Small; mostly black head, neck, and breast. Small white neck-patch on adults. Back dark brownish-gray; belly pale gray to white depending on subspecies. White undertail coverts. Sexes similar.

Habitat & Range

Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering geese.

Geographic Range

Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.

Diet & Feeding

Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged vegetation.

Conservation Status

Least Concern
IUCN Red List

Behavior & Breeding

Nesting

Nest type: SC. Incubation: 23-29 days. Fledging: 40-45 days.

Clutch Size

1-10

Sound

Song

A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Anseriformes (Waterfowl)
Family Anatidae (Ducks, Geese & Swans)
Genus Branta
Species Branta bernicla

Distribution

Brent Goose has been recorded in 9 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
Present Not recorded
{# Simplified country/region shapes — major landmasses with ISO alpha-2 data attributes. These are simplified polygon representations for visual distribution display. #}

countries highlighted

External Databases

Frequently Asked Questions

What does the Brent Goose eat?
Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged vegetation.
Where does the Brent Goose live?
Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering geese.
Is the Brent Goose endangered?
The Brent Goose has a conservation status of Least Concern.
How does the Brent Goose nest?
Nest type: SC. Incubation: 23-29 days. Fledging: 40-45 days.
What does the Brent Goose sound like?
A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.
How big is the Brent Goose?
The Brent Goose has a wingspan of 63.9 cm, weight of 1335.0 g.
What order and family does the Brent Goose belong to?
The Brent Goose (Branta bernicla) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

Compare

Explore More

Explore the Nature FYI Family