Are There Yellow Rumped Warblers in Wyoming?
Yellow Rumped Warblers are abundant throughout Wyoming, particularly in the mountain regions and coniferous forests of the state. They breed at higher elevations across the Teton Range, the Absaroka Range, the Bighorn Mountains, and throughout the Rocky Mountain corridor. These warblers are also common migrants and occasional winter residents in lower elevation valleys.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.
Yellow-rumped Warbler · Jay Brasher CC BY
Yellow-rumped Warbler · Public domain CC0
Yellow-rumped Warbler · John Rosford CC BY
- 45,431
- GBIF records
- 6
- birding hotspots
Yes, yellow rumped warblers are in Wyoming. Next you'll want:
Yellow Rumped Warblers are abundant throughout Wyoming, particularly in the mountain regions and coniferous forests of the state. They breed at higher elevations across the Teton Range, the Absaroka Range, the Bighorn Mountains, and throughout the Rocky Mountain corridor. These warblers are also common migrants and occasional winter residents in lower elevation valleys.
Where in Wyoming Yellow Rumped Warblers Are Found
Yellow Rumped Warblers inhabit a wide range of Wyoming habitats, with distribution strongly influenced by elevation and forest type. Breeding birds concentrate in mountain forests throughout the state, including the Teton Range, the Absaroka Range, the Bighorn Mountains, the Medicine Bow Range, and the Laramie Range. These warblers favor coniferous forests, particularly stands of Douglas fir, spruce, and pine at elevations between 6,000 and 10,000 feet. During migration, they appear in lowland valleys, riparian corridors, and shrublands statewide. The Green River valley, the North Platte River drainage, and the Powder River basin support migrants. In winter, a few birds remain in lower elevation areas with suitable habitat and food sources. The Snake River valley in northwestern Wyoming hosts migrants and occasional wintering birds. Yellowstone National Park and surrounding National Forests provide critical breeding habitat. Grand Teton National Park attracts breeding birds at appropriate elevations. Bighorn National Forest supports substantial breeding populations. Seethe Yellow Rumped Warbler guide for Wyomingfor more.
Season and Timing in Wyoming
Wyoming Yellow Rumped Warblers exhibit distinct seasonal movements tied to mountain climate and food availability. Spring migration occurs from mid-April through May as birds move north from wintering grounds. Breeding birds settle into mountain forests in late April and May, with timing influenced by snowmelt and forest conditions at higher elevations. Peak spring activity occurs in late April and early May when thousands pass through. Breeding season spans June through August at mountain elevations where summers are brief. By late August, southbound migration begins, and fall passage continues through September and into early October. Peak fall numbers appear in September. Winter residents are rare in Wyoming, with occasional birds persisting in lower elevation valleys and protected areas. The state's high elevation and continental climate create pronounced seasonal changes. Spring snowstorms can delay breeding arrivals significantly. Fall weather patterns influence migration timing and routes. Elevation creates distinct timing between lowland and mountain populations. Seethe Wyoming wildlife guidefor more.
How to Identify a Yellow Rumped Warbler
Yellow Rumped Warblers are medium-sized warblers measuring 5 to 5.5 inches long. The most distinctive features are the bright yellow patches on the rump, crown, and sides that give the species its name. Males in breeding plumage display slate-blue upperparts with black markings and white underparts. Females and non-breeding birds show brown tones instead of blue and black. Wyoming birds are primarily the western Audubon's form, which displays a yellow throat patch in addition to the yellow crown. The yellow rump patch is visible in all plumages and is perhaps the easiest mark to identify. Yellow side patches are visible when perched. Tail feathers show white patches, conspicuous in flight. Wings display white spotting. The voice produces a simple warble song during breeding season. The call is a sharp chip note. Flight identification is relatively straightforward when the yellow rump patch is visible. These warblers are bolder and easier to identify than many other Setophaga species.
Where Sightings Concentrate in Wyoming
Several Wyoming locations offer excellent opportunities to observe Yellow Rumped Warblers throughout the year. The Teton Range, particularly in Grand Teton National Park, provides superb breeding habitat and attracts numerous migrants. The Absaroka Range and surrounding Shoshone National Forest support breeding populations and migrants. The Bighorn National Forest offers good breeding bird viewing and fall migration opportunities. Yellowstone National Park's forests and higher elevation areas support breeding birds. The North Platte River valley attracts fall migrants and occasional wintering birds. The Green River valley in western Wyoming concentrates migrants during passage periods. The Laramie Range foothills provide accessible habitat for breeding birds. Vedauwoo Recreation Area near Laramie offers good sighting opportunities. The Powder River basin attracts fall migrants. Several Wildlife Management Areas throughout the state host seasonal populations. VisitWyoming wildlife resourcesornational sitesfor specific birding locations and directions.
Typical Behavior of Yellow Rumped Warblers
Yellow Rumped Warblers are active foragers spending most daylight hours searching for food. They glean insects from tree foliage and branches with quick, precise movements. They're acrobatic foragers, often hanging upside down while searching undersides of branches for insects. During breeding season in Wyoming, they feed almost exclusively on insects, particularly abundant at higher elevations during summer. They're generally quiet birds outside breeding season, reducing their visibility during migration. Males sing during breeding to defend territories and attract mates. The song is a variable warble. They're relatively social during migration, sometimes joining mixed feeding flocks. Breeding birds build cup-shaped nests in conifer branches at appropriate heights. They nest at higher elevations than many other species, taking advantage of montane forests. They prefer trees at various heights rather than ground level. They're highly migratory, traveling between Wyoming breeding grounds and distant southern wintering areas. Migration routes are generally consistent year to year.
Coexistence and Safety Notes
Yellow Rumped Warblers pose no safety concerns to humans. They're small, non-aggressive birds beneficial for controlling forest insect populations. In Wyoming, they're protected under the Migratory Bird Treaty Act, which prohibits capture, harassment, or harm. Forest health is critical for Wyoming's breeding populations, particularly the maintenance of healthy coniferous forests at higher elevations. Climate change poses a long-term threat by shifting suitable breeding habitat upslope and potentially reducing available breeding range. Window collisions during migration represent a hazard for night-flying birds. Installing visible markers on windows saves migrating warblers. Outdoor cats pose predation risks to migrants. Pesticide use reduces insect food sources. Supporting forest conservation organizations protects Yellow Rumped Warblers and other species. Maintaining healthy forest conditions protects breeding habitat. The species remains stable and common in Wyoming with no current conservation concerns.
Common Species People Confuse with Yellow Rumped Warblers
Several Wyoming warbler species share similar coloring and can cause identification confusion. The Audubon's Warbler itself varies slightly in color, but all Audubon's Warblers are Yellow Rumped Warblers by current taxonomic understanding. The Palm Warbler also shows yellow on underparts and rump but lacks the bold yellow crown patch and displays different facial patterns. The Cape May Warbler in fall and winter plumage can appear similar but shows finer wing markings and lacks the prominent rump patch. The Magnolia Warbler has yellow underparts but displays distinctive white wing patches and head patterns. The Pine Warbler shares coniferous forest habitat but lacks the yellow rump patch. The Chestnut-sided Warbler in non-breeding plumage might cause momentary confusion but lacks yellow on the rump. Young warblers of various species can appear yellowish during molt. The reliable diagnostic combination is the bold yellow rump, yellow throat, and yellow side patches visible in all plumages. Study the complete pattern for confident identification.
Frequently Asked Questions
**When is the best time to see Yellow Rumped Warblers in Wyoming?** Spring migration from mid-April through May offers excellent viewing. Fall migration from August through September provides another peak opportunity. Breeding birds appear from late April through August at higher elevations. **Where should I look for Yellow Rumped Warblers in Wyoming?** Coniferous and mixed forests at higher elevations support breeding birds. CheckWyoming wildlifefor specific locations. Migrants appear in valley bottoms and riparian areas. **What's the difference between Yellow Rumped and Audubon's Warblers?** Audubon's Warblers are the western population of Yellow Rumped Warblers. Audubon's have yellow throats and less defined head patterns than the eastern Myrtle form. Wyoming birds are primarily Audubon's form. **Can I attract Yellow Rumped Warblers to my yard?** Plant native coniferous and deciduous trees. Provide fresh water. Avoid pesticides to maintain insects. In mountain areas, offer suet or seeds to support migrants and rare winter birds.
Plan your yellow rumped warbler sighting in Wyoming
45,431 verified yellow rumped warbler records have been logged in Wyoming, most recently in 2026. See the GBIF records.
Where to look in Wyoming
- Bighorn Canyon National Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- Devils Tower National Monument · Wildlife Watching, Birdwatching · Find hotels
- Fossil Butte National Monument · Wildlife Watching, Birdwatching · Find hotels
- Grand Teton National Park · Wildlife Watching, Birdwatching · Find hotels
- Yellowstone National Park · Wildlife Watching, Birdwatching · Find hotels
- California National Historic Trail · Find hotels
- Wyoming Hereford Ranch · 274 species recorded
- Hutton Lake NWR · 235 species recorded
- Laramie River Greenbelt Trail · 232 species recorded
- Wyoming Hereford Ranch Reservoir #1 · 229 species recorded
- Lions Park (Cheyenne) · 228 species recorded
- McManamen Park · 228 species recorded
Birding hotspots via eBird (Cornell Lab).
Recent yellow rumped warbler sightings
- Jenny Lake Loop Trail, Alta, Wyoming, US (43.759, -110.718) · 2026-07-20 07:48 · 4 seen
- Forest Service Road 111, Pinedale US-WY 42.94446, -109.79286 · 2026-07-19 21:10 · 1 seen
- Yellowstone NP--Pebble Creek Campground · 2026-07-19 14:53 · 1 seen
- Yellowstone NP--LeHardy Rapids · 2026-07-19 13:11 · 1 seen
- New Fork/Porcupine Trail, Boulder US-WY 43.10461, -109.94237 · 2026-07-19 12:53 · 3 seen
More wildlife in Wyoming