brown point snail vs trinta-réis-boreal / gaivina

Acicula fusca compared with Sterna hirundo

Key Differences

• brown point snail is Extinct while trinta-réis-boreal / gaivina is Endangered.

Taxonomic Classification

Rank	brown point snail	trinta-réis-boreal / gaivina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Gastropoda (Gastrópodes)	Aves (ave)
Order	Architaenioglossa (Architaenioglossa)	Charadriiformes (Charadriiformes)
Family	Aciculidae	Laridae
Genus	Acicula	Sterna
Species	Acicula fusca	Sterna hirundo

Evolutionary Relationship

brown point snail and trinta-réis-boreal / gaivina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brown point snail

EX — Extinct

trinta-réis-boreal / gaivina

EN — Endangered

Physical Characteristics

Attribute	brown point snail	trinta-réis-boreal / gaivina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown point snail

Habitat

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

Range

Distributed across Belgium and Norway.

trinta-réis-boreal / gaivina

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.

brown point snail

The Brown Point Snail (Acicula fusca) is a species in the genus Acicula. It is currently classified as Extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

trinta-réis-boreal / gaivina

O trinta-réis-comum (Sterna hirundo) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Em alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sobrevivência.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway