- Anser caerulescens
66–84 cm (26-33 in)
- Entirely white except black primaries
- Head and neck usually stained rusty brown
- Pink bill with grin patch
- Dark adults have black bodies with white necks and heads, juveniles dark all over. All intermediates possible.
Separating from Ross's Goose - Snow Goose has longer neck and bill. Ross's Goose has short neck and stubby bill that lacks grin patch.
Formerly placed in the genus Chen.
There are two recognized subspecies.
- A. c. caerulescens
- Breeds and winters around the Pacific Ocean
- A. c. atlanticus
- Breeds and winters on land bordering western Atlantic Ocean
Nests on Arctic tundra in large colonies. Migrates southward in winter to marshy areas with adjacent fields.
Highly gregarious; nest, migrate, and forage in large flocks. Noisy, especially on takeoff. Fly in large V formations.
Their diet is mainly vegetarian, consisting of roots, tubers, leaves, grasses, stems and seed heads from a variety of aquatic plants. They also eat grain in the winter time.
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Mowbray, T. B., F. Cooke, and B. Ganter (2020). Snow Goose (Anser caerulescens), version 1.0. In Birds of the World (P. G. Rodewald, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.snogoo.01
- BF Member Observations
- BirdForum Opus contributors. (2021) Snow Goose. In: BirdForum, the forum for wild birds and birding. Retrieved 27 January 2021 from https://www.birdforum.net/wiki/Snow_Goose