Atlantic Ancula vs Charrán común

Ancula gibbosa compared with Sterna hirundo

Key Differences

• Atlantic Ancula is Least Concern while Charrán común is Endangered.

Taxonomic Classification

Rank	Atlantic Ancula	Charrán común
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (moluscos)	Chordata (cordados)
Class	Gastropoda (gastrópodos)	Aves (Birds)
Order	Nudibranchia (Nudibranchia)	Charadriiformes (Charadriiformes)
Family	Goniodorididae	Laridae
Genus	Ancula	Sterna
Species	Ancula gibbosa	Sterna hirundo

Evolutionary Relationship

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

Conservation Status

Atlantic Ancula

LC — Least Concern

Charrán común

EN — Endangered

Physical Characteristics

Attribute	Atlantic Ancula	Charrán común
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.

Charrán común

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered 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.

Charrán común

El charrán común (Sterna hirundo) está clasificado como En Peligro (EN) en la Lista Roja de la UICN. En alto riesgo de extinción en estado silvestre, con un significativo declive poblacional y amenazas continuas a su supervivencia.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden