Eastern Rat Snake
Pantherophis alleghaniensis
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassSquamata
- FamilyColubridae (Colúbrids)
- GenusPantherophis (North American Ratsnakes)
- SpeciesPantherophis alleghaniensis (Eastern Rat Snake)
The central ratsnake (Pantherophis alleghaniensis), also commonly known as the black ratsnake, chicken snake, gray ratsnake, midland ratsnake, and pilot black snake, is a species of nonvenomous snake in the subfamily Colubrinae of the family Colubridae. The gray ratsnake is one of eight species within the American ratsnake genus Pantherophis. Wikipedia →
Closest Relatives at Isle Royale National Park
📅 Monthly Probability
Fewer than 5 records of Eastern Rat Snake at Isle Royale National Park — not enough to chart months honestly.
☀️ 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
| # | Park | Country | Probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 3 | Isle Royale National Park | 🇺🇸 United States |