Bark Snail vs Bloodwort

Zonitoides arboreus compared with Achillea millefolium

Key Differences

• Bark Snail is Not Evaluated while Bloodwort is Least Concern.

Taxonomic Classification

Rank	Bark Snail	Bloodwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Magnoliopsida (Dicots)
Order	Stylommatophora (Stylommatophora)	Asterales (Daisies & Sunflowers)
Family	Gastrodontidae	Asteraceae (Daisy Family)
Genus	Zonitoides	Achillea
Species	Zonitoides arboreus	Achillea millefolium

Conservation Status

Bark Snail

NE — Not Evaluated

Bloodwort

LC — Least Concern

Physical Characteristics

Attribute	Bark Snail	Bloodwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bark Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Japan, Taiwan), Europe (13 countries), North America (Guatemala, Mexico, United States), Oceania and the Pacific (New Zealand), and South America (4 countries).

Bloodwort

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 11 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (4 countries), Europe (10 countries), North America (5 countries), Oceania and the Pacific (Australia), and South America (4 countries).

Bark Snail

The Bark Snail (Zonitoides arboreus) is a species in the genus Zonitoides. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Bloodwort

The Bloodwort (Achillea millefolium) is a species in the genus Achillea. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and flooded grasslands and savannas, among 11 distinct biome types spanning the Indomalayan and Neotropic and Palearctic real

Shared Countries

Both species can be found in 14 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇩🇰 Denmark 🇫🇷 France 🇬🇹 Guatemala 🇮🇸 Iceland 🇯🇵 Japan 🇳🇴 Norway 🇵🇹 Portugal 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States