Brown Slender Toad vs Common Tern

Ansonia leptopus compared with Sterna hirundo

Key Differences

• Brown Slender Toad is Least Concern while Common Tern is Endangered.

Taxonomic Classification

Rank	Brown Slender Toad	Common Tern
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Amphibia (양서류)	Aves (새)
Order	Anura (개구리목)	Charadriiformes (도요목)
Family	Bufonidae	Laridae
Genus	Ansonia	Sterna
Species	Ansonia leptopus	Sterna hirundo

Evolutionary Relationship

Brown Slender Toad and Common Tern share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Brown Slender Toad

LC — Least Concern

Common Tern

EN — Endangered

Physical Characteristics

Attribute	Brown Slender Toad	Common Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Slender Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Common Tern

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 Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Common Tern

제비갈매기(Sterna hirundo)는 IUCN 적색목록에서 위기(EN)로 분류된다. 야생에서 멸종 위험이 높으며 상당한 개체수 감소와 생존을 위협하는 요인들이 지속되고 있다.