FeatherScan logo
FeatherScan
Overview
Swainson's thrush

Swainson's thrush

Wikipedia

Swainson's thrush, also called olive-backed thrush, russet-backed thrush, and salmonberry bird is a medium-sized thrush. It is a member of genus Catharus and is typical of it in terms of its subdued coloration and beautiful, ascending flute-like voice. Swainson's thrush was named after William Swainson, an English ornithologist.

Loading map...

Distribution

Region

North America (breeding) and northern South America (wintering)

Typical Environment

Breeds across boreal and montane forests from Alaska and Canada south through the northern United States and along the Pacific Coast. Prefers dense, moist coniferous or mixed woodlands with a well-developed shrub layer and riparian thickets. During migration it uses forest edges, parks, and hedgerows, and winters in humid and gallery forests of Central America and the Andes' foothills. Often keeps to shaded understory and midstory strata.

Altitude Range

Sea level to 3000 m

Climate Zone

Temperate

Characteristics

Size16–20 cm
Wing Span28–30 cm
Male Weight0.032 kg
Female Weight0.03 kg
Life Expectancy7 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

Also called the olive-backed or russet-backed thrush, it is famed for its ethereal, ascending flute-like song. It is a primarily nocturnal migrant and often detected at night by its soft, rising "whit" call notes. Two main plumage groups (olive-backed inland and russet-backed coastal) are recognized across its range. Named after the English ornithologist William Swainson.

Gallery

Bird photo
Bird photo
Bird photo
Bird photo
Bird photo
Bird photo

Behaviour

Temperament

shy and secretive

Flight Pattern

short rapid wingbeats; strong long-distance flier during migration

Social Behavior

Typically solitary or in pairs during the breeding season. Builds a cup nest in shrubs or low trees; the female incubates while the male helps feed nestlings. Outside breeding, it may join mixed-species foraging flocks in wintering areas.

Migratory Pattern

Seasonal migrant

Song Description

Song is an ethereal, upward-spiraling series of fluted phrases that seem to rise and fade into the canopy. Calls include a soft, rising "whit" frequently heard during nocturnal migration. Phrases are clear and mellow, carrying well in dense forests.

Similar Bird Species