Based on 1,243 research-grade iNaturalist observations in New Hampshire, Canada Goose is most often recorded in May; in New Hampshire it behaves like a seasonal. It ranks #11 among birds recorded in the state in our data.
Branta canadensis
Canada Goose in New Hampshire by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in New Hampshire in May

American Robin
Gray Catbird

Baltimore Oriole

Wild Turkey
Eastern Phoebe

Chipping Sparrow
Red-winged Blackbird

Mallard
Places to look in New Hampshire
White Mountain National Forest
Franconia Notch State Park
Odiorne Point State Park
Mount Washington State Park
State ParkRhododendron State Park
Pawtuckaway State Park
FAQ
When does Canada Goose appear in New Hampshire?
Mainly March–August, with the most records in May.
How common is Canada Goose in New Hampshire?
It ranks #11 by number of iNaturalist observations among birds in New Hampshire (1,243 records in our sample).