Red-necked Grebes are winter birds in Massachusetts: they arrive in late October, peak in late November (1.4% of checklists), and most are gone by the second week of April.
When to look
First arrivalsOct 22-31late October
Common byOct 22-31late October
PeakNov 22-30late November
Most gone byApr 8-14the second week of April
Best: late November. First arrivals late October; most are gone by the second week of April. Peak: on about 1.4% of Massachusetts checklists.
Janpeak season
Febpeak season
Marpeak season
Aprcommon
Mayrare
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepnot usually seen
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 Massachusetts 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.
Corporation BeachBarnstable County, best early December · 54 checklists that week, 1,870 in all43%
Lake QuannapowittMiddlesex County, best late February · 23 checklists that week, 431 in all42%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In Massachusetts, the Red-necked Grebe is most often listed on checklists started between 10 am and 12 pm (0.8% 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
1.5%
1.2%
1.4%
1.4%
February
1.3%
1.2%
1.1%
1.2%
March
1.0%
1.2%
1.0%
0.7%
April
0.7%
0.6%
0.6%
0.3%
May
0.2%
0.1%
0.1%
0.1%
June
0.1%
0.1%
0%
0.1%
July
0.1%
0.1%
0.1%
0.1%
August
0.1%
0%
0.1%
0.1%
September
0.1%
0.1%
0.1%
0.1%
October
0.1%
0.2%
0.4%
0.9%
November
1.2%
1.4%
1.3%
1.5%
December
1.4%
1.2%
1.1%
1.4%
Neighboring states
Rhode Island: arrives early November, 1 week later than Massachusetts
New Hampshire: arrives mid October, 1 week earlier than Massachusetts
Vermont: arrives early October, 3 weeks earlier than Massachusetts
Maine: arrives mid September, 5 weeks earlier than Massachusetts
Common questions
When do Red-necked Grebes arrive in Massachusetts?
Red-necked Grebes are winter birds in Massachusetts: they arrive in late October, peak in late November (1.4% of checklists), and most are gone by the second week of April.
When do Red-necked Grebes leave Massachusetts?
Most Red-necked Grebes have left Massachusetts by the second week of April, when reports fall below half their usual rate.
When is the best time to see a Red-necked Grebe in Massachusetts?
The Red-necked Grebe is reported most often in late November, on about 1.4% of Massachusetts checklists.
Where in Massachusetts are Red-necked Grebes seen most often?
By county, Essex County, Nantucket County, and Barnstable County have the highest peak reporting rates for the Red-necked Grebe (counties with at least 200 checklists).