Reptile · GBIF taxon 7453543
Black Rat Snake
Pantherophis alleghaniensisAlso known as Central Ratsnake, Chicken Snake, Gray Ratsnake, Pilot Black Snake
Black rat snakes are powerful constrictors capable of scaling vertical tree trunks and barn walls in search of prey. When threatened, they often freeze in a distinctive crinkled, zig-zag posture or vibrate their tails against dry leaves to mimic a rattlesnake. Females lay clutches of up to two dozen eggs in rotting logs or mulch beds during early summer.
Non-VenomousConstrictorArboreal
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Mice and Rats
- Songbirds
- Bird Eggs
Predators
- Red-Tailed Hawks
- Great Horned Owls
- Coyotes
ThreatsHabitat loss, road mortality, human persecution
HabitatsForests, agricultural fields, barnyards, suburban woodlands
Life span15–20 years in the wild
Size / weightNot available
Classification
- FamilyColubridae
- GenusPantherophis
- SpeciesPantherophis alleghaniensis
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Harmless to humans but may bite or produce a foul musk if handled; observe from a safe distance.
- Why it is dangerous
- Lacks venom but possesses sharp, backward-curved teeth that can inflict painful scratches and lacerations if grabbed.
- How to recognize a risky encounter
- Look for a glossy black body with a white throat and belly, often adopting a kinked body posture when alarmed.
- What to do
- Leave the snake space to retreat; if removal from a building is necessary, gently coax it into a container using a broom.
Responsible observation
- Give Space: Allow the snake an unobstructed escape route, as it prefers fleeing over confronting observers.
- Yard Benefactor: Welcome its presence near garden sheds and barns where it naturally controls rodent populations.
- Gentle Relocation: Use a soft broom to guide curious snakes out of garages without making physical contact.
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