Dickcissels mostly pass through New Hampshire: they arrive in the second week of September, peak in late September (1.0% of checklists), and most are gone by late October.
When to look
First arrivalsSep 8-14the second week of September
Common bySep 8-14the second week of September
PeakSep 22-30late September
Most gone byOct 22-31late October
Best: late September. First arrivals the second week of September; most are gone by late October. Peak: on about 1.0% of New Hampshire checklists.
Janrare
Febrare
Marnot usually seen
Aprnot usually seen
Maynot usually seen
Junnot usually seen
Julnot usually seen
Augrare
Seppeak season
Octpeak season
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 New Hampshire 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.
Rockingham CountyBest early October · 1509 checklists that week, 84,864 in all3.1%
Hillsborough CountyBest the second week of September · 835 checklists that week, 50,125 in all1.4%
Merrimack CountyBest early October · 683 checklists that week, 36,980 in all1.1%
Belknap CountyBest mid October · 172 checklists that week, 13,295 in all0.5%
Sullivan CountyBest late May · 562 checklists that week, 13,105 in all0.5%
Cheshire CountyBest late September · 699 checklists that week, 39,834 in all0.4%
Best spots
Share of checklists at the peak
Awcomin SwampRockingham County, best mid September · 55 checklists that week, 1,073 in all33%
Haydens MillpondHillsborough County, best early September · 30 checklists that week, 1,099 in all32%
Gosport HarborRockingham County, best late September · 66 checklists that week, 583 in all13%
Russell-Shea State ForestMerrimack County, best early October · 81 checklists that week, 643 in all12%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New Hampshire, the Dickcissel is most often listed on checklists started between 7 and 9 am (0.2% 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
0.1%
0.1%
0.1%
0.1%
February
0.1%
0.1%
0.1%
0.1%
March
0%
0%
0.1%
0%
April
0%
0%
0%
0%
May
0%
0%
0.1%
0%
June
0.1%
0%
0%
0%
July
0%
0%
0%
0%
August
0.1%
0.1%
0.1%
0.1%
September
0.2%
0.4%
0.9%
1.2%
October
0.9%
0.8%
0.9%
0.4%
November
0.2%
0.2%
0.2%
0.1%
December
0%
0.1%
0.1%
0.1%
Neighboring states
Massachusetts: arrives early September, 1 week earlier than New Hampshire
Rhode Island: arrives the second week of August, 4 weeks earlier than New Hampshire
Maine: arrives early September, 1 week earlier than New Hampshire
Connecticut: arrives early September, 1 week earlier than New Hampshire
Common questions
When do Dickcissels arrive in New Hampshire?
Dickcissels mostly pass through New Hampshire: they arrive in the second week of September, peak in late September (1.0% of checklists), and most are gone by late October.
When do Dickcissels leave New Hampshire?
Most Dickcissels have left New Hampshire by late October, when reports fall below half their usual rate.
When is the best time to see a Dickcissel in New Hampshire?
The Dickcissel is reported most often in late September, on about 1.0% of New Hampshire checklists.
Where in New Hampshire are Dickcissels seen most often?
By county, Rockingham County, Hillsborough County, and Merrimack County have the highest peak reporting rates for the Dickcissel (counties with at least 200 checklists).