Brown Slender Toad vs River Tern

Ansonia leptopus compared with Sterna aurantia

Key Differences

• Brown Slender Toad is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Brown Slender Toad	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Aves (Birds)
Order	Anura (Frogs & Toads)	Charadriiformes (Charadriiformes)
Family	Bufonidae	Laridae
Genus	Ansonia	Sterna
Species	Ansonia leptopus	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Brown Slender Toad

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Brown Slender Toad

Habitat

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

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable 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.