Northern Gannets are winter birds in New York: they arrive in mid October, peak in late November (1.6% of checklists), and most are gone by late January.
When to look
First arrivalsOct 15-21mid October
Common byOct 15-21mid October
PeakNov 22-30late November
Most gone byJan 22-31late January
Best: late November. First arrivals mid October; most are gone by late January. Peak: on about 1.6% of New York checklists.
Jancommon
Febuncommon
Marcommon
Aprcommon
Mayrare
Junrare
Julrare
Augrare
Seprare
Octcommon
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 New York 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.
Robert Moses State ParkSuffolk County, best mid November · 69 checklists that week, 3,701 in all64%
Cupsoque County ParkSuffolk County, best late March · 24 checklists that week, 1,837 in all62%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New York, the Northern Gannet is most often listed on checklists started between 6 and 8 am (0.6% 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
1.0%
0.9%
0.6%
0.4%
February
0.3%
0.4%
0.3%
0.4%
March
0.4%
0.4%
0.8%
1.2%
April
1.3%
1.0%
0.5%
0.2%
May
0.1%
0.1%
0.1%
0.2%
June
0.2%
0.2%
0.2%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0.1%
0.1%
0.1%
0.1%
September
0.1%
0.1%
0.1%
0.1%
October
0.2%
0.3%
0.3%
0.7%
November
1.0%
1.6%
1.5%
1.8%
December
1.6%
1.1%
1.1%
0.9%
Neighboring states
Connecticut: arrives the second week of March, 19 weeks later than New York
New Jersey: arrives the second week of October, 1 week earlier than New York
Delaware: arrives mid October, in the same week than New York
Rhode Island: arrives mid October, in the same week than New York
Common questions
When do Northern Gannets arrive in New York?
Northern Gannets are winter birds in New York: they arrive in mid October, peak in late November (1.6% of checklists), and most are gone by late January.
When do Northern Gannets leave New York?
Most Northern Gannets have left New York by late January, when reports fall below half their usual rate.
When is the best time to see a Northern Gannet in New York?
The Northern Gannet is reported most often in late November, on about 1.6% of New York checklists.
Where in New York are Northern Gannets seen most often?
By county, Richmond County, Suffolk County, and Nassau County have the highest peak reporting rates for the Northern Gannet (counties with at least 200 checklists).