Great Crested Flycatchers arrive in District of Columbia in mid April, peak in mid May (41% of checklists), and most are gone by the second week of September.
When to look
First arrivalsApr 15-21mid April
Common byApr 15-21mid April
PeakMay 15-21mid May
Most gone bySep 8-14the second week of September
Best: mid May. First arrivals mid April; most are gone by the second week of September. Peak: on about 41% of District of Columbia checklists.
Jannot usually seen
Febnot usually seen
Marnot usually seen
Aprcommon
Maypeak season
Junpeak season
Julcommon
Augcommon
Sepcommon
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 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.
Rock Creek GardensDistrict of Columbia County, best mid May · 106 checklists that week, 1,328 in all74%
Theodore Roosevelt IslandDistrict of Columbia County, best the second week of May · 255 checklists that week, 5,227 in all69%
Brightwood Reservoir (historical)District of Columbia County, best the second week of May · 36 checklists that week, 1,139 in all68%
Kingman Lake (Mount Hamilton)District of Columbia County, best the second week of May · 44 checklists that week, 447 in all67%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In District of Columbia, the Great Crested Flycatcher is most often listed on checklists started between 6 and 8 am (21% 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%
2.7%
22%
May
40%
41%
43%
40%
June
28%
24%
24%
20%
July
20%
19%
16%
14%
August
13%
13%
16%
24%
September
19%
10%
5.8%
1.1%
October
0.3%
0%
0%
0%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
Maryland: arrives mid April, in the same week than District of Columbia
Virginia: arrives the second week of April, 1 week earlier than District of Columbia
Delaware: arrives mid April, in the same week than District of Columbia
Pennsylvania: arrives mid April, in the same week than District of Columbia
Common questions
When do Great Crested Flycatchers arrive in District of Columbia?
Great Crested Flycatchers arrive in District of Columbia in mid April, peak in mid May (41% of checklists), and most are gone by the second week of September.
When do Great Crested Flycatchers leave District of Columbia?
Most Great Crested Flycatchers have left District of Columbia by the second week of September, when reports fall below half their usual rate. Stragglers are still reported until late September.
When is the best time to see a Great Crested Flycatcher in District of Columbia?
The Great Crested Flycatcher is reported most often in mid May, on about 41% of District of Columbia checklists.
Where in District of Columbia are Great Crested Flycatchers seen most often?
By county, District of Columbia County have the highest peak reporting rates for the Great Crested Flycatcher (counties with at least 200 checklists).