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Swainson's thrush migration Catharus ustulatus
▶ Follow the swainson's thrush across the big globe
Press ▶ to play the year. Line: a simplified typical route, joining the main cluster of GBIF records in each month (adjusted for observer effort).
| Scientific name | Catharus ustulatus |
|---|---|
| IUCN status | Least concern |
| Records mapped | 2,425,105 (GBIF) |
| GPS / geolocator tracks | none with an open licence yet |
Facts from Wikidata Q545006 (CC0).
Migration in the data
2,425,105 GBIF records (CC0 and CC BY 4.0 licences only) are mapped here, in 1.41° grid cells, month by month.
In the Americas, the centre of the records (adjusted for observer effort) is furthest north in June (about 55°N) and furthest south in December (about 1°S).
Month by month: centre of records in the Americas
| Month | Centre (latitude) | South of the Equator |
|---|---|---|
| January | 1°S | 47% |
| February | 0°N | 44% |
| March | 3°N | 36% |
| April | 23°N | 2% |
| May | 47°N | 0% |
| June | 55°N | 0% |
| July | 54°N | 0% |
| August | 52°N | 0% |
| September | 43°N | 0% |
| October | 25°N | 8% |
| November | 2°N | 40% |
| December | 1°S | 49% |
Tracked birds
No openly licensed (CC0 / CC BY) tracking data package for this species was found in the Movebank Data Repository yet, so only records are shown.
About the swainson's thrush
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.
From the Wikipedia article “Swainson's thrush” (revision 1377721162), CC BY-SA 4.0.
Sources
GBIF occurrence records, licence CC0 1.0 or CC BY 4.0 only, observations only (no specimens), filtered with: taxonKey=2490821&license=CC0_1_0&license=CC_BY_4_0&occurrenceStatus=PRESENT&hasGeospatialIssue=false&basisOfRecord=HUMAN_OBSERVATION&basisOfRecord=MACHINE_OBSERVATION&basisOfRecord=OBSERVATION. Monthly queries: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. GBIF.org (23 October 2026) occurrence data accessed via the GBIF API; a GBIF download DOI is still to be added. Contributing datasets.