Lazuli Buntings reach Oregon in late April, are common by the second week of May, peak in late May (10% of checklists), and most are gone by mid July.
When to look
First arrivalsApr 22-30late April
Common byMay 8-14the second week of May
PeakMay 22-31late May
Most gone byJul 15-21mid July
Best: late May. First arrivals late April; most are gone by mid July. Peak: on about 10% of Oregon checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprrare
Maypeak season
Junpeak season
Julpeak season
Auguncommon
Seprare
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 Oregon 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.
Glenhaven ParkMultnomah County, best late May · 22 checklists that week, 988 in all85%
Cottonwood CanyonSherman County, best late May · 29 checklists that week, 287 in all78%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Oregon, the Lazuli Bunting is most often listed on checklists started between 6 and 8 am (5.1% 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%
0%
0.1%
0.8%
May
3.6%
7.0%
9.9%
11%
June
9.8%
9.4%
9.7%
8.8%
July
8.2%
6.9%
5.4%
3.4%
August
2.3%
1.8%
1.4%
1.0%
September
0.8%
0.4%
0.1%
0.1%
October
0.1%
0%
0%
0.1%
November
0.1%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Washington: arrives early May, 1 week later than Oregon
Idaho: arrives late April, in the same week than Oregon
Nevada: arrives mid April, 1 week earlier than Oregon
California: arrives the second week of April, 2 weeks earlier than Oregon
Common questions
When do Lazuli Buntings arrive in Oregon?
Lazuli Buntings reach Oregon in late April, are common by the second week of May, peak in late May (10% of checklists), and most are gone by mid July.
When do Lazuli Buntings leave Oregon?
Most Lazuli Buntings have left Oregon by mid July, when reports fall below half their usual rate. Stragglers are still reported until late August.
When is the best time to see a Lazuli Bunting in Oregon?
The Lazuli Bunting is reported most often in late May, on about 10% of Oregon checklists.
Where in Oregon are Lazuli Buntings seen most often?
By county, Sherman County, Gilliam County, and Douglas County have the highest peak reporting rates for the Lazuli Bunting (counties with at least 200 checklists).