Swainson's Thrush

Catharus ustulatus (Nuttall, 1840) SWATH 11770
Family: Passeriformes > Turdidae

Swainsons Thrush, Toby Carter

This small thrush is a shy denizen of montane fir forest, and is found across much of North America, wintering in Central America and south to Peru.

Swainson's Thrush is only very rarely encountered in Britain & Ireland, mostly in late autumn (from September to the first half of October).

Select a topic for more facts and statistics about the Swainson's Thrush

  • Breeding
  • Winter
260 records observations recorded by BTO surveyors
260 records



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Status and Trends

Population size and trends and patterns of distribution based on BTO surveys and atlases with data collected by BTO volunteers.


This species can be found on the following statutory and conservation listings and schedules.


We have no population estimates for this scarce species.


Swainson's Thrush is a very rare vagrant, with a handful of records in autumn.

Weekly occurence of Swainson's Thrush from BirdTrack
Weekly occurrence patterns (shaded cells) and reporting rates (vertical bars) based on BirdTrack data. Reporting rates give the likelihood of encountering the species each week.


Information about movement and migration based on online bird portals (e.g. BirdTrack), Ringing schemes and tracking studies.


View a summary of recoveries in the Online Ringing Report.


Lifecycle and body size information about Swainson's Thrush, including statistics on nesting, eggs and lifespan based on BTO ringing and nest recording data.


Sample sizes are too small to report Productivity and Nesting statistics for this species.


Sample sizes are too small to report Biometrics for this species.

Feather measurements and photos on featherbase


For information in another language (where available) click on a linked name

Welsh: Brych Swainson
Catalan: griveta de Swainson
Czech: drozd malý
Danish: Olivenskovdrossel
Dutch: Dwerglijster
Estonian: kuuserästas
Finnish: korpirastas
French: Grive à dos roussâtre
German: Zwergmusendrossel
Hungarian: flótázó fülemülerigó
Icelandic: Moldþröstur
Irish: Smólach Swainson
Italian: Tordo di Swainson
Latvian: brillu strazds
Lithuanian: alyvinis trumpasnapis strazdas
Norwegian: Brunkinnskogtrost
Polish: drozdek okularowy
Portuguese: tordo-dos-pântanos
Slovak: drozd olivový
Slovenian: smrekov cikovtnik
Spanish: Zorzalito quemado
Swedish: beigekindad skogstrast

Links to more information from ConservationEvidence.com

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