Purple Finches are winter birds in New Jersey: they arrive in mid September, peak in early November (9.5% of checklists), and most are gone by early May.
When to look
First arrivalsSep 15-21mid September
Common bySep 15-21mid September
PeakNov 1-7early November
Most gone byMay 1-7early May
Best: early November. First arrivals mid September; most are gone by early May. Peak: on about 9.5% of New Jersey checklists.
Januncommon
Febuncommon
Maruncommon
Apruncommon
Mayrare
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepuncommon
Octpeak season
Novpeak season
Deccommon
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 Jersey 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.
Havemeyer ReservoirBergen County, best early November · 32 checklists that week, 3,689 in all51%
Montclair SanctuaryEssex County, best early November · 25 checklists that week, 401 in all45%
Cape May Point BeachCape May County, best late November · 105 checklists that week, 5,796 in all45%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New Jersey, the Purple Finch is most often listed on checklists started between 6 and 8 am (4.2% 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
1.6%
1.6%
1.4%
1.5%
February
1.7%
1.7%
1.6%
1.3%
March
1.5%
1.3%
1.2%
1.3%
April
1.9%
2.4%
3.2%
2.3%
May
1.3%
0.6%
0.2%
0.1%
June
0.1%
0.1%
0.1%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.1%
September
0.3%
0.6%
1.2%
1.8%
October
2.6%
5.1%
7.9%
11%
November
9.7%
7.4%
6.8%
5.1%
December
4.5%
4.0%
3.2%
1.9%
Neighboring states
Delaware: arrives early October, 2 weeks later than New Jersey
Connecticut: arrives late March, 23 weeks earlier than New Jersey
Pennsylvania: arrives the second week of September, 1 week earlier than New Jersey
New York: arrives mid January, 16 weeks later than New Jersey
Common questions
When do Purple Finches arrive in New Jersey?
Purple Finches are winter birds in New Jersey: they arrive in mid September, peak in early November (9.5% of checklists), and most are gone by early May.
When do Purple Finches leave New Jersey?
Most Purple Finches have left New Jersey by early May, when reports fall below half their usual rate.
When is the best time to see a Purple Finch in New Jersey?
The Purple Finch is reported most often in early November, on about 9.5% of New Jersey checklists.
Where in New Jersey are Purple Finches seen most often?
By county, Hunterdon County, Warren County, and Bergen County have the highest peak reporting rates for the Purple Finch (counties with at least 200 checklists).