Calliope Hummingbirds arrive in Nevada in mid April, peak in the second week of May (2.4% of checklists), and most are gone by late August.
When to look
First arrivalsApr 15-21mid April
Common byApr 15-21mid April
PeakMay 8-14the second week of May
Most gone byAug 22-31late August
Best: the second week of May. First arrivals mid April; most are gone by late August. Peak: on about 2.4% of Nevada checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepuncommon
Octnot usually seen
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in Nevada 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.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Toiyabe National ForestWashoe County, best the second week of May · 24 checklists that week, 877 in all63%
Spooner LakeDouglas County, best the second week of June · 40 checklists that week, 634 in all14%
Island LakeElko County, best late July · 62 checklists that week, 340 in all9.2%
Mount PisgahElko County, best the second week of August · 31 checklists that week, 309 in all7.1%
Fletcher CanyonClark County, best late June · 21 checklists that week, 447 in all6.7%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Nevada, the Calliope Hummingbird is most often listed on checklists started between 5 and 7 am (1.4% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0%
0%
0%
April
0.1%
0.3%
1.0%
1.6%
May
2.1%
2.6%
2.5%
1.6%
June
2.1%
1.8%
1.9%
2.4%
July
1.4%
1.6%
1.3%
1.8%
August
1.7%
1.5%
1.6%
0.8%
September
0.6%
0.3%
0.1%
0.1%
October
0.1%
0%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Utah: arrives late July, 13 weeks later than Nevada
Idaho: arrives mid April, in the same week than Nevada
Arizona: arrives mid July, 12 weeks later than Nevada
Oregon: arrives mid April, in the same week than Nevada
Common questions
When do Calliope Hummingbirds arrive in Nevada?
Calliope Hummingbirds arrive in Nevada in mid April, peak in the second week of May (2.4% of checklists), and most are gone by late August.
When do Calliope Hummingbirds leave Nevada?
Most Calliope Hummingbirds have left Nevada by late August, when reports fall below half their usual rate.
When is the best time to see a Calliope Hummingbird in Nevada?
The Calliope Hummingbird is reported most often in the second week of May, on about 2.4% of Nevada checklists.
Where in Nevada are Calliope Hummingbirds seen most often?
By county, Washoe County, Humboldt County, and Douglas County have the highest peak reporting rates for the Calliope Hummingbird (counties with at least 200 checklists).