Smith's longspur (''Calcarius pictus'') is a

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

from the family

Calcariidae Calcariidae is a small family of passerine birds. It includes longspurs and snow buntings. There are six species in three genera worldwide, found mainly in North America and Eurasia. They are migratory and can live in a variety of habitats includ ...

, which also contains the other species of

longspur The longspurs, genus ''Calcarius'', are a group of birds in the family Calcariidae. The name refers to the long claw on the hind toe of each foot. The genus formerly included the thick-billed longspur, ''Rhyncophanes mccownii'', which is now p ...

s. A bird of open habitats, it breeds in northern Canada and

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

, and winters in the southern United States. Primarily a ground-feeding seed-eater, it supplements its diet with insects in the summer.

Description

These birds have short cone-shaped bills, streaked backs, and dark tails with white outer

rectrices Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tail ...

. In breeding state plumage (mostly formed by worn basic plumage), the male has a pumpkin-orange throat, nape, and underparts contrasting with an intricate black-and-white face pattern. The white lesser coverts are quite pronounced on a male in spring and early summer. Females and immatures have lightly streaked buffy underparts, dark crowns, brown wings with less obvious white lesser coverts, and a light-colored face. The tail is identical at all ages. Measurements: * Length: 5.9-6.7 in (15-17 cm) * Weight: 0.7-1.1 oz (20-32 g) * Wingspan: 25 cm

Distribution and habitat

This bird breeds in open grassy areas near the

tree line The tree line is the edge of the habitat at which trees are capable of growing. It is found at high elevations and high latitudes. Beyond the tree line, trees cannot tolerate the environmental conditions (usually cold temperatures, extreme snowp ...

in northern

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

and

. In winter, they congregate in open fields, including airports, in the south-central United States.

Migration Migration, migratory, or migrate may refer to: Human migration * Human migration, physical movement by humans from one region to another ** International migration, when peoples cross state boundaries and stay in the host state for some minimum le ...

elliptical Elliptical may mean: * having the shape of an ellipse, or more broadly, any oval shape ** in botany, having an elliptic leaf shape ** of aircraft wings, having an elliptical planform * characterised by ellipsis (the omission of words), or by conc ...

, with northbound birds staging in

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

in the spring and southbound birds flying over the

Great Plains The Great Plains (french: Grandes Plaines), sometimes simply "the Plains", is a broad expanse of flatland in North America. It is located west of the Mississippi River and east of the Rocky Mountains, much of it covered in prairie, steppe, an ...

in the fall.Briskie, James V. 1993. ''Smith’s Longspur (Calcarius pictus)''. In ''The Birds of North America'', No. 34. (A. Poole, P. Stettenheim, and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, DC: The American Ornithologists’ Union.

Behavior

These birds nest in small colonies; males do not defend territory. The female lays three to five eggs in a grass

cup nest A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American robin or Eurasian bla ...

on the ground. Both males and females may have more than one mate. The parents, one female and possibly more than one male, feed the young birds. These birds

forage Forage is a plant material (mainly plant leaves and stems) eaten by grazing livestock. Historically, the term ''forage'' has meant only plants eaten by the animals directly as pasture, crop residue, or immature cereal crops, but it is also used ...

on the ground, gathering in flocks outside of the

nesting season The nesting season is the time of year during which birds and some other animals, particularly some reptiles, build nests, lay eggs in them, and in most cases bring up their young. It is usually in the spring. Bird conservation Bird conservat ...

. They mainly eat seeds, also eating

insects Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of j ...

in summer. Young birds are mainly fed insects. The song is a sweet warble that is inflected at the end, somewhat reminiscent of the

chestnut-sided warbler The chestnut-sided warbler (''Setophaga pensylvanica'') is a New World warbler. They breed in eastern North America and in southern Canada westwards to the Canadian Prairies. They also breed in the Great Lakes region and in the eastern United St ...

. The call is a dry rattle, like a shortened version of the call of a female

brown-headed cowbird The brown-headed cowbird (''Molothrus ater'') is a small, obligate brood parasitic icterid native to temperate and subtropical North America. It is a permanent resident in the southern parts of its range; northern birds migrate to the southern ...

, noticeably drier than that of

Lapland longspur The Lapland longspur (''Calcarius lapponicus''), also known as the Lapland bunting, is a passerine bird in the longspur family Calcariidae, a group separated by most modern authors from the Fringillidae (Old World finches). Etymology The English ...

Audubon The National Audubon Society (Audubon; ) is an American non-profit environmental organization dedicated to conservation of birds and their habitats. Located in the United States and incorporated in 1905, Audubon is one of the oldest of such org ...

named this bird after his friend Gideon B. Smith.

References

External links

Photo gallery
- VIREO {{Taxonbar, from=Q903907 Birds described in 1832 Birds of Canada Calcarius Native birds of Alaska Taxa named by William John Swainson