Snow Bunting

Snow Bunting, male, breeding plumage, Prudhoe Bay, AK, June

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Snow Bunting, male, nonbreeding plumage, December

Snow Bunting, female, nonbreeding plumage

Snow Bunting, female, breeding plumage, Prudhoe Bay, AK, June

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1. Description
2. Sound
3. Conservation Status
4. Other Names
5. Cool Facts
6. Full detailed species account

Appropriately named, the Snow Bunting is a bird of the high Arctic and snowy winter fields. Even on a warm day, the mostly white plumage of a bunting flock evokes the image of a snowstorm.

Description

• Small songbird.
• Lots of white in the plumage.
• Underside white.
• Large white patches in wings.
• Brownish on back and face.
• Black tail with white outer feathers.

• Size: 15 cm (6 in)
• Wingspan: 30 cm (12 in)
• Weight: 31-46 g (1.09-1.62 ounces)

Sex Differences

Breeding male clean black-and-white, female streaked with gray and rufous. Similar in nonbreeding plumage, but female with darker wings.

Sound

Song a low, husky warbling. Calls include a clear "chew," a husky rolling rattle, a short buzz, and a sharp "chi-tik."

Conservation Status

Common. Both nesting and wintering habitats currently extensive in North America and not threatened.

Other Names

Bruant des neiges (French)

Cool Facts

• The male Snow Bunting returns to its high Arctic breeding grounds in early April, when temperatures can still dip as low as -30° C (-22° F) and snow still covers most of the ground. The female does not return until four to six weeks later.
• Early arriving Snow Bunting males set up and defend territories that include good nesting sites. They will still come together in flocks to forage, and usually roost in loose groups of from 30 to 80 birds.

• The Snow Bunting places its nest deep in cracks or other cavities in rocks. Although such nest sites are relatively secure from predators, rocks are cold. The thick nest lining of fur and feathers helps keep the eggs and nestlings warm, but the female must remain on the nest for most of the incubation period. The male feeds her while she is incubating so that she does not need to leave the nest very often.

• Although breeding and nonbreeding males look quite different, the Snow Bunting has only one molt each year and no true "Alternate Plumage." After the molt in the late summer the male looks brownish with a brown and black striped back. Underneath the colored feather tips, the back feathers are pure black and the body feathers all are white. The male wears off all of the feather tips by actively rubbing them on snow, and he is immaculate white and jet black by the time breeding begins.

Sources used to construct this page:

Lyon, B., and R. Montgomerie. 1995. Snow Bunting and McKay's Bunting (Plectrophenax nivalis and Plectrophenax hyperboreus). In The Birds of North America, No. 198-199 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, and The American Ornithologists' Union, Washington, D.C.