Common Grackles reach District of Columbia in the second week of January, are common by mid February, peak in early June (56% of checklists), and most are gone by early November.
When to look
First arrivalsJan 8-14the second week of January
Common byFeb 15-21mid February
PeakJun 1-7early June
Most gone byNov 1-7early November
Best: early June. First arrivals the second week of January; most are gone by early November. Peak: on about 56% of District of Columbia checklists.
Janrare
Febuncommon
Marcommon
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepcommon
Octuncommon
Novuncommon
Decrare
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 District of Columbia 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.
Theodore Roosevelt IslandDistrict of Columbia County, best early May · 236 checklists that week, 5,227 in all85%
Heritage IslandDistrict of Columbia County, best the second week of June · 45 checklists that week, 3,356 in all84%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In District of Columbia, the Common Grackle is most often listed on checklists started between 6 and 8 am (46% 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
3.4%
3.5%
3.7%
4.9%
February
5.8%
11%
15%
25%
March
27%
31%
30%
30%
April
33%
39%
46%
52%
May
53%
50%
53%
56%
June
58%
53%
54%
50%
July
48%
44%
41%
34%
August
35%
33%
34%
35%
September
39%
32%
26%
22%
October
24%
20%
20%
21%
November
19%
14%
7.9%
5.3%
December
2.3%
2.3%
3.3%
2.3%
Neighboring states
Maryland: arrives early March, 7 weeks later than District of Columbia
Virginia: arrives early March, 7 weeks later than District of Columbia
Delaware: arrives mid March, 9 weeks later than District of Columbia
Pennsylvania: arrives early February, 3 weeks later than District of Columbia
Common questions
When do Common Grackles arrive in District of Columbia?
Common Grackles reach District of Columbia in the second week of January, are common by mid February, peak in early June (56% of checklists), and most are gone by early November.
When do Common Grackles leave District of Columbia?
Most Common Grackles have left District of Columbia by early November, when reports fall below half their usual rate. Stragglers are still reported until late November.
When is the best time to see a Common Grackle in District of Columbia?
The Common Grackle is reported most often in early June, on about 56% of District of Columbia checklists.
Where in District of Columbia are Common Grackles seen most often?
By county, District of Columbia County have the highest peak reporting rates for the Common Grackle (counties with at least 200 checklists).