Western Warbling Vireo (Vireo swainsoni) is in the Vireos, Shrike-Babblers, and Erpornis family (Vireonidae). Across the U.S., iNaturalist users have logged 7,086 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 Western Warbling Vireo: observations by month (U.S.)
About Western Warbling Vireo
The warbling vireo (Vireo gilvus) is a small North American songbird.From Wikipedia via iNaturalist — article, CC BY-SA.
Western Warbling Vireo by state
| State | Observations | Peak month | Main season |
|---|---|---|---|
| California | 4,159 | May | Apr–May |
| Arizona | 666 | September | Aug–Sep |
| Oregon | 481 | May | May–Jun |
| Washington | 423 | May | May–Sep |
| New Mexico | 252 | May | May–Sep |
| Utah | 245 | May | May–Sep |
| Colorado | 182 | June | May–Jul |
| Idaho | 169 | June | May–Aug |
| Montana | 160 | June | May–Aug |
| Nevada | 125 | May | May–Sep |
| Wyoming | 101 | June | Jun–Aug |
| Texas | 92 | September | Aug–Sep |
| Alaska | 23 | June | Jun–Jun |
Main season = months with at least 30% of the state's peak-month count.
Related birds (Vireos, Shrike-Babblers, and Erpornis)
Red-eyed Vireo
White-eyed Vireo
Blue-headed Vireo
Eastern Warbling Vireo
Hutton's Vireo
Yellow-throated Vireo
Bell's Vireo
Philadelphia Vireo
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 Western Warbling Vireo?
Nationally, May has the most observations, with the main season from April to June.
Where is Western Warbling Vireo most often seen?
The most observations come from California, Arizona, Oregon.