common door snail vs Common Raccoon

Clausilia bidentata compared with Procyon lotor

Taxonomic Classification

Rank	common door snail	Common Raccoon
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Carnivora (Carnivorans)
Family	Clausiliidae	Procyonidae (Raccoons)
Genus	Clausilia	Procyon
Species	Clausilia bidentata	Procyon lotor

Evolutionary Relationship

common door snail and Common Raccoon share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

common door snail

LC — Least Concern

Common Raccoon

LC — Least Concern

Physical Characteristics

Attribute	common door snail	Common Raccoon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

common door snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Common Raccoon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 7 distinct biome types spanning the Neotropic and Palearctic realms.

Range

Widely distributed across Asia (4 countries), Europe (23 countries), North America (5 countries), and South America (Colombia).

common door snail

<em>Clausilia bidentata</em>, the common door snail, is a terrestrial gastropod mollusk in the family Clausiliidae. This species is distributed across Belgium, Denmark, Norway, and Sweden, where it typically inhabits moist terrestrial environments including deciduous woodlands, rocky slopes, hedgerows, and the margins of freshwater habitats. The common door snail is recognized by its elongated, sinistral (left-handed) shell, which is a distinctive trait of the family Clausiliidae. The shell is typically brown to gray and reaches approximately 12–15 millimeters in length. <em>Clausilia bidentata</em> generally feeds on algae, lichens, fungi, and decaying plant material by rasping food with a radula. It often shelters under bark, stones, and leaf litter during dry or cold conditions. Like many clausiliids, it possesses a complex internal shell structure called a clausilium that closes the shell aperture to reduce desiccation. The species is assessed as Least Concern, reflecting stable populations across its European range. Detailed biological traits beyond those noted here are not extensively documented in the current scientific literature.

Common Raccoon

<em>Procyon lotor</em>, the common raccoon, is a medium-sized mammal in the family Procyonidae, order Carnivora. Native to North America, it has been introduced across parts of Europe and Asia, making it one of the most geographically widespread non-domestic mammals in temperate regions. Raccoons typically inhabit deciduous and mixed forests, wetlands, urban parks, and suburban neighborhoods, demonstrating remarkable adaptability to human-modified landscapes. Their geographic range spans from Canada south through the continental United States into Panama, with introduced populations established in Germany, France, Japan, and parts of Russia. The species is listed as Least Concern on the IUCN Red List, with populations stable or increasing across much of its range. Raccoons are omnivorous, typically consuming invertebrates, small vertebrates, fish, fruits, nuts, and human refuse depending on seasonal availability. Their distinctive black facial mask and ringed tail make them immediately recognizable. They are primarily nocturnal and are known for their dexterous forepaws, which they use to manipulate food and open containers. Raccoons do not hibernate in most of their range but may enter extended periods of torpor during harsh winters.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden