Achallo vs River Tern

Chinchillula sahamae compared with Sterna aurantia

Key Differences

• Achallo is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Achallo	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Cricetidae	Laridae
Genus	Chinchillula	Sterna
Species	Chinchillula sahamae	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Achallo

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Achallo	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Achallo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Achallo

The Achallo (Chinchillula sahamae) is a species in the genus Chinchillula. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits diverse terrestrial and aquatic ecosystems.