Charles Darwin
Spider-tailed Horned Viper (Pseudocerastes urarachnoides)

Spider-tailed Horned Viper

Pseudocerastes urarachnoides

NT Near Threatened

Close to qualifying as threatened

Source: IUCN Red List

About the Spider-tailed Horned Viper

The spider-tailed horned viper (Pseudocerastes urarachnoides) is a species of viper endemic to western Iran which was described in 2006. The head looks very similar to that of other Pseudocerastes species in the region but it has a unique tail that has a bulb-like end and bordered by long drooping scales that give it the appearance of a spider. The tail tip is waved around and used to lure insectivorous birds to within striking range.

Key Facts

  • Near threatened - close to being at risk.
  • Rarely spotted - fewer than 100 recorded observations!

Classification

Frequently Asked Questions

What is the scientific name of the Spider-tailed Horned Viper?

The scientific name of the Spider-tailed Horned Viper is Pseudocerastes urarachnoides.

Is the Spider-tailed Horned Viper endangered?

The Spider-tailed Horned Viper is classified as Near Threatened on the IUCN Red List.

How many Spider-tailed Horned Viper sightings have been recorded?

31 observations of the Spider-tailed Horned Viper have been recorded on iNaturalist.

31 observations on iNaturalist
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