Species authority page

Ross's goose

Anser rossii · Geese · Waterfowl · Migratory game birds

Ross's goose (Anser rossii): 21-25 in; small white goose, smaller than a Snow Goose. Short bill lacking the Snow Goose's black 'grinning patch', often with a bumpy blue-gray base. This profile does not establish whether taking it is legal anywhere.

Certified rules currently represented in Hunt: coverage in development. This is coverage, not a legal answer.

Ross's goose swimming
Adobe Stock · Standard License (asset 59090379)
Scientific name
Anser rossii
Family
Anatidae
Range
Main population breeds in the central Canadian Arctic (Northwest Territories/Nunavut region) and migrates through Alberta and Montana to winter in central California; wintering numbers in New Mexico and east of the Rockies have increased markedly.
Biology

How to identify it

21-25 in; small white goose, smaller than a Snow Goose. [1]

Short bill lacking the Snow Goose's black 'grinning patch', often with a bumpy blue-gray base. [1]

Rounder head with the eye more centered, giving a gentle expression. [1]

Young are much whiter than young Snow Geese; a rare blue morph exists. [1]

Compared with the snow goose: Snow goose is larger with a longer bill showing a black 'grinning patch'; Ross's has a rounder head with a more centered eye. [1]

Species it is confused with

Check these before deciding what you are looking at. If you are not certain what it is, do not shoot.

Field notes

  • Identification Do not identify Ross's goose from colour alone. Compare structure, size, range and the listed similar species before making a field decision.[1]
Field knowledge

Where it lives

Summer on flat Arctic tundra mixing grass and low dwarf birch or willow. [1]

Migration and winter on shallow lakes, freshwater marshes and flooded stubble and other farm fields. [1]

Field knowledge

How it behaves

Migrates and winters in flocks, often mixed with Snow Geese; hybrids occur. [1]

Feeds by walking, wading or swimming in shallow water; mainly green grasses and sedges, plus seeds and grain in fall. [1]

Calls are soft cackling and grunting notes. [1]

Regulatory handoff

Where it is listed for legal take

These authorities list this species for legal take in their own regulations.

Where legal take is listed

Being listed is not an open season. Seasons, zones, licences, methods and limits decide whether this animal may be taken on a given day and place — check Hunt or the authority before you go. Listings read 2026-09-30.

Geospatial intelligence

Where it is found

Main population breeds in the central Canadian Arctic (Northwest Territories/Nunavut region) and migrates through Alberta and Montana to winter in central California; wintering numbers in New Mexico and east of the Rockies have increased markedly.

Biology

Sources

Every claim above is attributed to one of these published sources.

  1. National Audubon Society · reviewed 2026-09-30

    National Audubon Society