Based on 1,406 research-grade iNaturalist observations in Vermont, North American Porcupine is most often recorded in May; in Vermont it behaves like a spring and fall migrant. It ranks #8 among mammals recorded in the state in our data.
Erethizon dorsatum
North American Porcupine in Vermont 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 Vermont in May
White-tailed Deer
Eastern Chipmunk
American Red Squirrel
American Beaver
Common Raccoon
American Black Bear
Eastern Gray Squirrel
Groundhog
Places to look in Vermont
State ParkElmore State Park
State ParkQuechee State Park
State ParkWilgus State Park
State ParkMount Philo State Park
State ParkCoolidge State Park
State ParkCrystal Lake State Park
FAQ
When does North American Porcupine appear in Vermont?
Mainly March–October, with the most records in May.
How common is North American Porcupine in Vermont?
It ranks #8 by number of iNaturalist observations among mammals in Vermont (1,406 records in our sample).