Brown Slender Toad vs アジサシ

Ansonia leptopus compared with Sterna hirundo

Key Differences

• Brown Slender Toad is Least Concern while アジサシ is Endangered.

Taxonomic Classification

Rank	Brown Slender Toad	アジサシ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Amphibia (両生類)	Aves (鳥類)
Order	Anura (カエル)	Charadriiformes (チドリ目)
Family	Bufonidae	Laridae
Genus	Ansonia	Sterna
Species	Ansonia leptopus	Sterna hirundo

Evolutionary Relationship

Brown Slender Toad and アジサシ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown Slender Toad

LC — Least Concern

アジサシ

EN — Endangered

Physical Characteristics

Attribute	Brown Slender Toad	アジサシ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Slender Toad

Habitat

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

アジサシ

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.

アジサシ

アジサシ（Sterna hirundo）はIUCNレッドリストで危機（EN）に分類されている。野生での絶滅リスクが高く、著しい個体数の減少と生存への継続的な脅威がある。