American Red Squirrel
Tamiasciurus hudsonicus
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassMammalia (Mamífers)
- OrderRodentia (Rosegadors)
- FamilySciuridae (Squirrels)
- GenusTamiasciurus (Pine Squirrels)
- SpeciesTamiasciurus hudsonicus (American Red Squirrel)
Closest Relatives at Yellowstone National Park
Uinta Ground Squirrel
Urocitellus armatus
Yellow-bellied Marmot
Marmota flaviventris
Golden-mantled Ground Squirrel
Callospermophilus lateralis
Tamia mineur
Tamias minimus
Tamia améne
Tamias amoenus
Uinta Chipmunk
Tamias umbrinus
Northern Flying Squirrel
Glaucomys sabrinus
Muskrat
Ondatra zibethicus
American Beaver
Castor canadensis
Quiller
Erethizon dorsatus
Northern Pocket Gopher
Thomomys talpoides
Deer Mouse
Peromyscus maniculatus
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · 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 American Red Squirrel in Yellowstone National Park?
About 43% of visitor-days record a American Red Squirrel sighting in Yellowstone National Park, based on 359 observer-days of citizen-science data from GBIF.
When is the best time to see American Red Squirrel in Yellowstone National Park?
September has the highest sighting rate for American Red Squirrel in Yellowstone National Park in our monthly data.