Quiller
Erethizon dorsatus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderRodentia (Rosegadors)
- FamilyErethizontidae (New World Porcupines)
- GenusErethizon
- SpeciesErethizon dorsatus (Quiller)
Closest Relatives at Acadia National Park
American Red Squirrel
Tamiasciurus hudsonicus
Eastern Chipmunk
Tamias striatus
American Beaver
Castor canadensis
Eastern Gray Squirrel
Sciurus carolinensis
Woodchuck
Marmota monax
Meadow Vole
Microtus pennsylvanicus
Muskrat
Ondatra zibethicus
Deer Mouse
Peromyscus maniculatus
White-footed Mouse
Peromyscus leucopus
Gapperrotelmaus
Myodes gapperi
Northern Flying Squirrel
Glaucomys sabrinus
📅 Monthly Probability
☀️🌙 When They're Spotted
Active throughout day and night · across all parks (global)
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
Quick answers
What are the chances of seeing a Quiller in Acadia National Park?
About 40% of visitor-days record a Quiller sighting in Acadia National Park, based on 225 observer-days of citizen-science data from GBIF.
When is the best time to see Quiller in Acadia National Park?
November has the highest sighting rate for Quiller in Acadia National Park in our monthly data.