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#1778 · 🦎 reptiles

Sidewinder

🇳🇱 Hoornratelslang ·Crotalus cerastes

LCleast concern 🦎 Reptiles 📍 outside Europe
Sidewinder, photo 1 of 10
1/10 © Yinan Li · CC BY-NC 4.0

what is it?

The sidewinder ( Crotalus cerastes ), also known as the horned rattlesnake and sidewinder rattlesnake , is a venomous pit viper species belonging to the genus Crotalus (rattlesnakes) and is found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the nominate subspecies described here.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 5,245iNaturalist 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.
  • 5,245 observations worldwide on iNaturalist.
  • Scientifically named by Edward Hallowell in 1854 (172 years ago).

fact sheet

English
Sidewinder
Nederlands
Hoornratelslang
scientific name
Crotalus cerastes
class
Reptilia
order
Squamata
family
Viperidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
5,245
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1854 by Edward Hallowell

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

relatives· Viperidae

Sources: iNaturalist taxon 30751, Wikidata Q1366532, GBIF 2444360, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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