Quiller
Erethizon dorsatus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderRodentia (Rosegadors)
- FamilyErethizontidae (New World Porcupines)
- GenusErethizon
- SpeciesErethizon dorsatus (Quiller)
Closest Relatives at Rocky Mountain National Park
Golden-mantled Ground Squirrel
Callospermophilus lateralis
Yellow-bellied Marmot
Marmota flaviventris
Wyoming Ground Squirrel
Urocitellus elegans
American Red Squirrel
Tamiasciurus hudsonicus
Tamia mineur
Tamias minimus
Abert's Squirrel
Sciurus aberti
Muskrat
Ondatra zibethicus
Colorado Chipmunk
Tamias quadrivittatus
Uinta Chipmunk
Tamias umbrinus
American Beaver
Castor canadensis
Fox Squirrel
Sciurus niger
Northern Pocket Gopher
Thomomys talpoides
📅 Monthly Probability
Fewer than 5 records of Quiller at Rocky Mountain National Park — not enough to chart months honestly.
☀️🌙 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