Atlantic Ancula vs Common Crossbill

Ancula gibbosa compared with Loxia curvirostra

Key Differences

• Atlantic Ancula is Least Concern while Common Crossbill is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	Common Crossbill
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Nudibranchia (Nudibranchia)	Passeriformes (Songbirds)
Family	Goniodorididae	Fringillidae
Genus	Ancula	Loxia
Species	Ancula gibbosa	Loxia curvirostra

Evolutionary Relationship

Atlantic Ancula and Common Crossbill share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Ancula

LC — Least Concern

Common Crossbill

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	Common Crossbill
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

Common Crossbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Common Crossbill

Common Crossbill (Loxia curvirostra) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden