skip to content

#1630 · 🦎 reptiles

Western Ratsnake

🇳🇱 Zwarte rattenslang ·Pantherophis obsoletus

LCleast concern 🦎 Reptiles 📍 outside Europe
Western Ratsnake, photo 1 of 10
1/10 © jbpeters · CC BY-NC 4.0

what is it?

Pantherophis obsoletus – also known as the western rat snake , black rat snake , pilot black snake , or simply black snake – is a nonvenomous species of Colubridae found in central North America. No subspecies are currently recognized. Its color variations include the Texas ratsnake .

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 29,795iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 29,795 observations worldwide on iNaturalist.
  • Scientifically named by Thomas Say in 1823 (203 years ago).

fact sheet

English
Western Ratsnake
Nederlands
Zwarte rattenslang
scientific name
Pantherophis obsoletus
class
Reptilia
order
Squamata
family
Colubridae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
29,795
GBIF records in NL
2
weight
—
length
—
lifespan
—
named
1823 by Thomas Say

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Colubridae

Sources: iNaturalist taxon 73888, Wikidata Q998324, GBIF 2455676, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

stan runge e24ee7f source