
Black-and-white Warbler (Mniotilta varia) is in the New World Warblers family (Parulidae). Across the U.S., iNaturalist users have logged 32,626 research-grade observations of it in our sample, peaking in May.
Seasonal pattern in the national data: spring and fall migrant. Counts also reflect when people are out photographing, so compare months within a state rather than across states.
When to photograph Black-and-white Warbler: observations by month (U.S.)
About Black-and-white Warbler
The black-and-white warbler (Mniotilta varia) is a species of New World warbler, and the only member of its genus, Mniotilta.From Wikipedia via iNaturalist — article, CC BY-SA.
Black-and-white Warbler by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| Florida | 5,379 | October | Sep–Apr |
| Texas | 4,903 | April | Mar–May |
| New York | 3,419 | May | Apr–May |
| Pennsylvania | 1,607 | May | Apr–May |
| Massachusetts | 1,306 | May | May–May |
| Illinois | 1,256 | May | May–May |
| Maryland | 1,235 | May | Apr–May |
| Virginia | 1,114 | May | Apr–May |
| Ohio | 1,031 | May | May–May |
| New Jersey | 1,021 | May | Apr–May |
| North Carolina | 894 | April | Apr–May |
| California | 778 | October | Sep–Feb |
| Maine | 760 | May | May–May |
| Minnesota | 721 | May | May–May |
| Vermont | 605 | May | May–Jun |
| Michigan | 582 | May | May–May |
| Georgia | 567 | April | Mar–Oct |
| Wisconsin | 530 | May | May–May |
| South Carolina | 516 | April | Dec–May |
| Tennessee | 485 | April | Apr–May |
| Connecticut | 478 | May | May–May |
| Missouri | 366 | September | Sep–Sep |
| Louisiana | 361 | April | Mar–Apr |
| Alabama | 318 | April | Apr–Apr |
| New Hampshire | 286 | May | May–May |
| Indiana | 245 | September | Sep–Sep |
| Arkansas | 221 | April | Mar–May |
| Oklahoma | 173 | April | Mar–May |
| Kentucky | 169 | April | Apr–May |
| West Virginia | 164 | May | Apr–Jun |
| Arizona | 157 | January | Sep–Mar |
| Delaware | 140 | September | Aug–Sep |
| District of Columbia | 136 | September | Aug–Sep |
| Mississippi | 118 | April | Mar–May |
| Kansas | 80 | May | Apr–May |
| Rhode Island | 79 | May | May–May |
| Nebraska | 69 | May | May–May |
| Iowa | 67 | May | May–May |
| Colorado | 45 | May | May–May |
| Oregon | 45 | December | Dec–Dec |
| South Dakota | 42 | May | May–May |
| North Dakota | 40 | May | May–Jun |
| New Mexico | 36 | May | Apr–May |
| Washington | 31 | June | May–Jun |
| Idaho | 12 | December | Dec–Jan |
| Montana | 11 | May | May–Jun |
| Alaska | 9 | October | Oct–Oct |
| Utah | 9 | May | May–May |
| Nevada | 7 | March | Mar–Mar |
Main season = months with at least 30% of the state's peak-month count.
Related birds (New World Warblers)

Yellow-rumped Warbler
Common Yellowthroat

Northern Yellow Warbler

Palm Warbler

Orange-crowned Warbler

American Redstart

Pine Warbler

Northern Parula
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 Black-and-white Warbler?
Nationally, May has the most observations, with the main season from April to May.
Where is Black-and-white Warbler most often seen?
The most observations come from Florida, Texas, New York.