Chalky Macoma vs Lesser Noctule

Macoma calcarea compared with Nyctalus leisleri

Key Differences

• Chalky Macoma is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Chalky Macoma	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Cardiida (Cardiida)	Chiroptera (Bats)
Family	Tellinidae	Vespertilionidae
Genus	Macoma	Nyctalus
Species	Macoma calcarea	Nyctalus leisleri

Evolutionary Relationship

Chalky Macoma and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chalky Macoma

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Chalky Macoma	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalky Macoma

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Chalky Macoma

The Chalky Macoma (Macoma calcarea) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden