Andean Cottontail vs common razor clam

Sylvilagus andinus compared with Ensis ensis

Key Differences

• Andean Cottontail is Data Deficient while common razor clam is Least Concern.

Taxonomic Classification

Rank	Andean Cottontail	common razor clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Lagomorpha (Rabbits & Hares)	Adapedonta (Adapedonta)
Family	Leporidae (Rabbits & Hares)	Pharidae
Genus	Sylvilagus	Ensis
Species	Sylvilagus andinus	Ensis ensis

Evolutionary Relationship

Andean Cottontail and common razor clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Andean Cottontail

DD — Data Deficient

common razor clam

LC — Least Concern

Physical Characteristics

Attribute	Andean Cottontail	common razor clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Cottontail

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

common razor clam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Andean Cottontail

The Andean Cottontail (Sylvilagus andinus) is a species in the genus Sylvilagus. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Typically found in diverse terrestrial and aquatic ecosystems.

common razor clam

<em>Ensis ensis</em>, the common razor clam, is a bivalve mollusk in the family Pharidae, order Adapedonta. It is distributed along the northeastern Atlantic coastline, with documented populations in Belgium, Denmark, Norway, and Sweden. The species is assessed as Least Concern by the IUCN, suggesting stable populations across much of its range. Common razor clams typically inhabit sandy intertidal and shallow subtidal zones, burrowing rapidly into sediment using their muscular foot to evade predators and avoid desiccation. Their elongated shell, resembling an old-fashioned straight razor, is a distinctive morphological feature of the genus Ensis. <em>Ensis ensis</em> is a suspension feeder, typically drawing in water and filtering phytoplankton and organic particles through its siphons. This feeding strategy makes it an important component of coastal benthic communities. Razor clams play an ecological role as both filter feeders improving water clarity and as prey items for shorebirds, flatfish, and marine mammals. Biological traits such as precise lifespan, body measurements, and diet composition vary across populations and remain incompletely characterized. The species is commercially harvested in parts of its range and is considered a minor fishery resource in Scandinavian waters.