Based on 1,276 research-grade iNaturalist observations in Pennsylvania, Northern Short-tailed Shrew is most often recorded in October; in Pennsylvania it behaves like a summer visitor / breeder. It ranks #13 among mammals recorded in the state in our data.
Blarina brevicauda
Northern Short-tailed Shrew in Pennsylvania 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 Pennsylvania in October
White-tailed Deer
Eastern Gray Squirrel
Eastern Chipmunk
Groundhog
Eastern Cottontail
Common Raccoon
Red Fox
Domestic Cat
Places to look in Pennsylvania
National ForestAllegheny National Forest
State ParkPresque Isle State Park
Botanical GardenJenkins Arboretum
State ParkCherry Springs State Park
State ParkColton Point State Park
State ParkLeonard Harrison State Park
FAQ
When does Northern Short-tailed Shrew appear in Pennsylvania?
Mainly April–November, with the most records in October.
How common is Northern Short-tailed Shrew in Pennsylvania?
It ranks #13 by number of iNaturalist observations among mammals in Pennsylvania (1,276 records in our sample).