Mountain Whorl Snail
VU

Mountain Whorl Snail

Vertigo alpestris

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Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Vertigo_alpestris

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

The Mountain Whorl Snail faces severe pressure from climate change as warming temperatures force alpine habitats upslope, reducing available suitable terrain. Habitat fragmentation from ski resort development and hiking trail construction isolates populations across its European mountain range. Agricultural intensification in valley areas eliminates transitional habitats, while nitrogen deposition from air pollution alters the delicate chemistry of alpine soils essential for this species' survival.

Threat summary

Habitat

This species inhabits high-altitude alpine and subalpine environments, typically found in moist rock crevices, scree slopes, and among moss and lichen communities between 1,500-3,000 meters elevation. It requires cool, humid microhabitats with stable temperatures and specific soil chemistry conditions found in European mountain ranges.

TERRESTRIAL· major

Frequently asked questions

Why is Mountain Whorl Snail classified as Vulnerable?
Mountain Whorl Snail is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Mountain Whorl Snail faces severe pressure from climate change as warming temperatures force alpine habitats upslope, reducing available suitable terrain. Habitat fragmentation from ski resort development and hiking trail construction isolates populations across its European mountain range. Agricultural intensification in valley areas eliminates transitional habitats, while nitrogen deposition from air pollution alters the delicate chemistry of alpine soils essential for this species' survival.
Where does Mountain Whorl Snail live?
Mountain Whorl Snail occurs in Åland Islands, Austria, Canada, Czechia, Denmark, and Estonia (plus 19 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Mountain Whorl Snail?
The main threats to Mountain Whorl Snail are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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