Song Sparrows are in Maryland all year, but most are here in winter: numbers build from the second week of October, peak in mid March (47% of checklists), and fall back by the second week of May. In the quietest week (the second week of September) they are still on about 12% of checklists.
When to look
Numbers buildOct 8-14the second week of October
PeakMar 15-21mid March
Fall back byMay 8-14the second week of May
FewestSep 8-14the second week of September
Best: mid March. Here all year; numbers build from the second week of October and fall back by the second week of May. Peak: on about 47% of Maryland checklists.
Janpeak season
Febpeak season
Marpeak season
Aprpeak season
Maycommon
Juncommon
Julcommon
Augcommon
Sepuncommon
Octpeak season
Novpeak season
Decpeak season
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 Maryland 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.
Allegany CountyBest late March · 492 checklists that week, 18,322 in all66%
Garrett CountyBest late March · 1210 checklists that week, 37,616 in all64%
Queen Anne's CountyBest early November · 352 checklists that week, 26,875 in all63%
Montgomery CountyBest mid March · 4707 checklists that week, 219,548 in all58%
Somerset CountyBest early November · 157 checklists that week, 9,451 in all58%
Dorchester CountyBest early November · 342 checklists that week, 26,161 in all56%
Best spots
Share of checklists at the peak
Gerber KnollHoward County, best mid October · 22 checklists that week, 922 in all100%
Perryman ParkHarford County, best early November · 26 checklists that week, 849 in all100%
Crabbs Branch SvpMontgomery County, best mid October · 39 checklists that week, 484 in all99%
Trout RunGarrett County, best late July · 39 checklists that week, 1,215 in all99%
Bladensburg Dueling GroundsPrince George's County, best mid December · 20 checklists that week, 951 in all98%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Maryland, the Song Sparrow is most often listed on checklists started between 7 and 9 am (38% 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
35%
36%
36%
36%
February
36%
35%
33%
40%
March
43%
46%
48%
47%
April
42%
39%
35%
33%
May
32%
29%
29%
28%
June
27%
27%
28%
28%
July
29%
29%
28%
28%
August
24%
20%
17%
13%
September
12%
12%
12%
15%
October
23%
34%
43%
47%
November
47%
45%
42%
40%
December
40%
38%
40%
38%
Neighboring states
District of Columbia: arrives the second week of October, in the same week than Maryland
Delaware: arrives the second week of October, in the same week than Maryland
Virginia: arrives mid October, 1 week later than Maryland
Song Sparrows are in Maryland all year, but most are here in winter: numbers build from the second week of October, peak in mid March (47% of checklists), and fall back by the second week of May. In the quietest week (the second week of September) they are still on about 12% of checklists.
When do Song Sparrows leave Maryland?
Song Sparrows never fully leave Maryland: numbers fall back below half their usual rate by the second week of May, but some are still reported in every week, about 12% of checklists at the low.
When is the best time to see a Song Sparrow in Maryland?
The Song Sparrow is reported most often in mid March, on about 47% of Maryland checklists.
Where in Maryland are Song Sparrows seen most often?
By county, Allegany County, Garrett County, and Queen Anne's County have the highest peak reporting rates for the Song Sparrow (counties with at least 200 checklists).