
Swainson's Thrush (Catharus ustulatus) is in the Thrushes family (Turdidae). Across the U.S., iNaturalist users have logged 21,011 research-grade observations of it in our sample, peaking in May.
Seasonal pattern in the national data: seasonal. Counts also reflect when people are out photographing, so compare months within a state rather than across states.
When to photograph Swainson's Thrush: observations by month (U.S.)
About Swainson's Thrush
Swainson's thrush (Catharus ustulatus), also called olive-backed thrush, is a medium-sized thrush. It is a member of Catharus genus and is typical of it in terms of its subdued coloration and beautiful voice. Swainson's thrush was named after William Swainson, an English ornithologist.From Wikipedia via iNaturalist — article, CC BY-SA.
Swainson's Thrush by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| Illinois | 2,090 | May | May–May |
| Texas | 1,936 | April | Apr–May |
| California | 1,750 | May | May–Jun |
| Ohio | 1,365 | May | May–May |
| Florida | 1,083 | October | Sep–Oct |
| Washington | 1,025 | June | May–Jul |
| New York | 998 | May | May–May |
| Oregon | 762 | June | May–Jul |
| Minnesota | 668 | May | May–May |
| Wisconsin | 642 | September | Sep–Sep |
| Pennsylvania | 562 | May | May–May |
| Indiana | 542 | May | May–May |
| Missouri | 528 | May | Apr–May |
| Virginia | 528 | May | May–May |
| Michigan | 527 | September | Sep–Sep |
| Maryland | 462 | May | May–May |
| Tennessee | 460 | May | Apr–May |
| Kansas | 396 | May | Apr–May |
| North Carolina | 342 | October | Sep–Oct |
| Montana | 329 | July | May–Jul |
| Alaska | 268 | June | Jun–Jul |
| Oklahoma | 268 | April | Apr–May |
| Georgia | 261 | October | Sep–Oct |
| Massachusetts | 248 | May | May–May |
| Nebraska | 224 | May | May–May |
| Kentucky | 214 | May | May–May |
| Colorado | 205 | May | May–May |
| Louisiana | 181 | April | Apr–May |
| New Jersey | 181 | May | May–May |
| Vermont | 179 | September | Sep–Sep |
| Maine | 169 | September | Sep–Sep |
| Alabama | 167 | September | Sep–Oct |
| Arizona | 166 | May | May–May |
| Arkansas | 153 | May | Apr–May |
| Iowa | 151 | May | May–May |
| New Hampshire | 119 | July | May–Jul |
| Wyoming | 114 | June | May–Jul |
| South Carolina | 108 | October | Sep–Oct |
| South Dakota | 101 | May | May–May |
| Connecticut | 98 | May | May–May |
| Idaho | 78 | June | Jun–Jul |
| North Dakota | 68 | May | May–May |
| District of Columbia | 59 | May | May–May |
| West Virginia | 59 | September | Sep–Sep |
| Utah | 49 | June | May–Jul |
| Mississippi | 41 | May | Apr–May |
| Delaware | 34 | May | May–May |
| New Mexico | 29 | May | May–May |
| Nevada | 16 | May | May–Jul |
| Rhode Island | 8 | May | May–May |
Main season = months with at least 30% of the state's peak-month count.
Related birds (Thrushes)

American Robin
Eastern Bluebird

Western Bluebird

Hermit Thrush

Mountain Bluebird

Wood Thrush

Varied Thrush

Townsend's Solitaire
Photography tips
- Use a fast shutter (1/2000 s or faster) for birds in flight.
- Focus on the eye and shoot at the bird's eye level.
- Approach slowly and stop if the bird changes behavior; never bait or flush birds.
- Morning activity peaks in the first two hours after sunrise.
FAQ
When is the best time to photograph Swainson's Thrush?
Nationally, May has the most observations, with the main season from May to May.
Where is Swainson's Thrush most often seen?
The most observations come from Illinois, Texas, California.