
Olive-sided Flycatcher (Contopus cooperi) is in the Tyrant Flycatchers family (Tyrannidae). Across the U.S., iNaturalist users have logged 7,411 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 Olive-sided Flycatcher: observations by month (U.S.)
About Olive-sided Flycatcher
The olive-sided flycatcher (Contopus cooperi) is a passerine bird. It is a medium-sized tyrant flycatcher.From Wikipedia via iNaturalist — article, CC BY-SA.
Olive-sided Flycatcher by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| California | 2,182 | May | Apr–May |
| Texas | 1,087 | May | May–May |
| Oregon | 526 | May | May–Jul |
| Washington | 374 | May | May–Aug |
| Arizona | 323 | May | May–May |
| Illinois | 250 | May | May–May |
| Colorado | 212 | May | May–Sep |
| New Mexico | 209 | May | May–May |
| New York | 206 | May | May–May |
| Minnesota | 205 | May | May–May |
| Ohio | 161 | May | May–May |
| Michigan | 128 | August | Aug–Sep |
| Pennsylvania | 102 | May | May–May |
| Utah | 102 | May | May–Sep |
| Vermont | 92 | August | May–Sep |
| Maryland | 88 | August | Aug–Sep |
| Idaho | 84 | August | Aug–Sep |
| Wisconsin | 84 | May | May–May |
| Massachusetts | 78 | May | May–May |
| Montana | 67 | August | May–Sep |
| Virginia | 61 | May | May–May |
| Missouri | 60 | May | May–May |
| Tennessee | 57 | May | May–May |
| Oklahoma | 56 | September | Sep–Sep |
| Nevada | 49 | May | Apr–May |
| Wyoming | 45 | August | Jun–Aug |
| Alaska | 41 | June | May–Jun |
| New Jersey | 41 | May | May–May |
| Kansas | 39 | September | Aug–Sep |
| Maine | 39 | August | May–Sep |
| Iowa | 33 | August | Aug–Sep |
| Nebraska | 31 | September | Aug–Sep |
| Indiana | 30 | May | May–May |
| Louisiana | 29 | September | Aug–Sep |
| South Dakota | 28 | May | May–May |
| Georgia | 25 | September | Sep–Sep |
| Florida | 24 | September | Sep–Sep |
| Arkansas | 20 | May | May–May |
| New Hampshire | 19 | August | Aug–Aug |
| North Carolina | 18 | September | Aug–Sep |
| West Virginia | 15 | May | May–Jun |
| Delaware | 14 | May | May–May |
| Alabama | 13 | September | Aug–Sep |
| Connecticut | 13 | September | Aug–Sep |
| District of Columbia | 13 | May | May–May |
| Kentucky | 12 | August | Aug–Sep |
| Mississippi | 10 | September | Sep–Sep |
| North Dakota | 10 | May | May–May |
| Rhode Island | 5 | May | May–Jun |
Main season = months with at least 30% of the state's peak-month count.
Related birds (Tyrant Flycatchers)
Eastern Phoebe
Black Phoebe
Eastern Kingbird

Say's Phoebe

Western Kingbird

Scissor-tailed Flycatcher

Vermilion Flycatcher

Great Crested Flycatcher
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 Olive-sided Flycatcher?
Nationally, May has the most observations, with the main season from May to May.
Where is Olive-sided Flycatcher most often seen?
The most observations come from California, Texas, Oregon.