When do geese leave Connecticut?

The Canada Goose does not leave Connecticut: it is reported all year, from 12% of checklists in late June to 38% in late March.

When is the best time to see geese in Connecticut?

The Canada Goose is reported most often in late March, on about 38% of Connecticut checklists.

Which geese are in Connecticut?

Canada Goose, Brant, Snow Goose, and Greater White-fronted Goose are reported regularly; the Canada Goose is the most common.

4 goose species in Connecticut

When Do Geese Arrive in Connecticut?

Photo: Tser, CC BY 4.0 via iNaturalist

Canada Geese, Brants, and Snow Geese are the geese you are most likely to see in Connecticut. The Canada Goose is in Connecticut all year. It turns up on about 38% of checklists at its peak (late March) and on 12% in its quietest week (late June).

When to look

PresentAll year

Peak weekMar 22-31late March

Quietest weekJun 22-30late June

Best: late March. Here all year. Peak: on about 38% of Connecticut checklists.

Janpeak season
Febpeak season
Marpeak season
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augcommon
Sepcommon
Octpeak season
Novpeak season
Decpeak season

Darker months: more checklists report it. Outlined: peak month.

Geese in Connecticut, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
Canada Goose	all year	–	Mar 22-31	–	38%
Brant	Oct 8-14	Oct 15-21	Mar 22-31	May 22-31	10%
Snow Goose	Oct 15-21	Oct 15-21	Jan 8-14	Mar 15-21	1.2%
Greater White-fronted Goose	Nov 8-14	Nov 8-14	Jan 8-14	Mar 1-7	1.0%

Canada Goose
Brant
Snow Goose
Greater White-fronted Goose

Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Connecticut 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.

Where in Connecticut

Best counties for Canada Goose

Share of checklists at the peak

Litchfield CountyBest the second week of April · 1705 checklists that week, 69,766 in all43%
Hartford CountyBest early December · 1615 checklists that week, 105,735 in all43%
Fairfield CountyBest early March · 2757 checklists that week, 139,848 in all41%
New Haven CountyBest the second week of April · 3222 checklists that week, 139,721 in all39%
Middlesex CountyBest late March · 1212 checklists that week, 39,919 in all39%
New London CountyBest early April · 1210 checklists that week, 65,205 in all35%

Common questions

When do geese arrive in Connecticut?: The Canada Goose is in Connecticut all year. It turns up on about 38% of checklists at its peak (late March) and on 12% in its quietest week (late June).
When do geese leave Connecticut?: The Canada Goose does not leave Connecticut: it is reported all year, from 12% of checklists in late June to 38% in late March.
When is the best time to see geese in Connecticut?: The Canada Goose is reported most often in late March, on about 38% of Connecticut checklists.
Which geese are in Connecticut?: Canada Goose, Brant, Snow Goose, and Greater White-fronted Goose are reported regularly; the Canada Goose is the most common.