WhenToBird

4 hummingbird species in Wyoming

When Do Hummingbirds Arrive in Wyoming?

Adult Broad-tailed Hummingbird
Photo: Daughter Dad, CC BY 4.0 via iNaturalist

Broad-tailed Hummingbirds, Rufous Hummingbirds, and Calliope Hummingbirds are the hummingbirds you are most likely to see in Wyoming. Broad-tailed Hummingbirds reach Wyoming in early May, are common by mid May, peak in the second week of June (9.7% of checklists), and most are gone by late August.

When to look

First arrivalsMay 1-7early May
Common byMay 15-21mid May
PeakJun 8-14the second week of June
Most gone byAug 22-31late August

Best: the second week of June. First arrivals early May; most are gone by late August. Peak: on about 9.7% of Wyoming checklists.

  1. Jannot usually seen
  2. Febnot usually seen
  3. Marnot usually seen
  4. Aprrare
  5. Maypeak season
  6. Junpeak season
  7. Julpeak season
  8. Augpeak season
  9. Sepuncommon
  10. Octnot usually seen
  11. Novnot usually seen
  12. Decnot usually seen

Darker months: more checklists report it. Outlined: peak month.

Hummingbirds in Wyoming, species by species

SpeciesFirst arrivalsCommon byPeakMost gone byPeak %
Broad-tailed HummingbirdMay 1-7May 15-21Jun 8-14Aug 22-319.7%
Rufous HummingbirdJun 22-30Jul 8-14Aug 1-7Aug 22-317.6%
Calliope HummingbirdMay 15-21May 15-21Jun 8-14Aug 15-212.3%
Black-chinned HummingbirdMay 15-21May 15-21Jun 8-14Aug 22-311.1%
0%5%10%15%Broad-tailed HummingbirdRufous HummingbirdCalliope HummingbirdBlack-chinned HummingbirdJanFebMarAprMayJunJulAugSepOctNovDec
  • Broad-tailed Hummingbird
  • Rufous Hummingbird
  • Calliope Hummingbird
  • Black-chinned Hummingbird
Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Wyoming that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Wyoming

Best counties for Broad-tailed Hummingbird

Share of checklists at the peak
  1. Carbon CountyBest the second week of June · 425 checklists that week, 6,429 in all36%
  2. Laramie CountyBest early August · 315 checklists that week, 15,593 in all20%
  3. Albany CountyBest mid June · 483 checklists that week, 21,857 in all20%
  4. Sheridan CountyBest the second week of June · 191 checklists that week, 6,459 in all20%
  5. Lincoln CountyBest late May · 191 checklists that week, 3,169 in all19%
  6. Sublette CountyBest mid June · 208 checklists that week, 6,738 in all17%

Common questions

When do hummingbirds arrive in Wyoming?
Broad-tailed Hummingbirds reach Wyoming in early May, are common by mid May, peak in the second week of June (9.7% of checklists), and most are gone by late August.
When do hummingbirds leave Wyoming?
Most Broad-tailed Hummingbirds have left Wyoming by late August, when reports fall below half their usual rate. Stragglers are still reported until the second week of September.
When is the best time to see hummingbirds in Wyoming?
The Broad-tailed Hummingbird is reported most often in the second week of June, on about 9.7% of Wyoming checklists.
Which hummingbirds are in Wyoming?
Broad-tailed Hummingbird, Rufous Hummingbird, Calliope Hummingbird, and Black-chinned Hummingbird are reported regularly; the Broad-tailed Hummingbird is the most common.