Chalky Macoma vs loup

Macoma calcarea compared with Canis lupus

Key Differences

• Chalky Macoma is Least Concern while loup is Critically Endangered.

Taxonomic Classification

Rank	Chalky Macoma	loup
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (mammifères)
Order	Cardiida (Cardiida)	Carnivora (carnivores)
Family	Tellinidae	Canidae (Dogs & Wolves)
Genus	Macoma	Canis (Dogs & Wolves)
Species	Macoma calcarea	Canis lupus

Evolutionary Relationship

Chalky Macoma and loup share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Chalky Macoma

LC — Least Concern

loup

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Chalky Macoma	loup
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

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.

loup

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically 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.

loup

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States