Chacoan Mara vs River Tern

Dolichotis salinicola compared with Sterna aurantia

Key Differences

• Chacoan Mara is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Chacoan Mara	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	Caviidae	Laridae
Genus	Dolichotis	Sterna
Species	Dolichotis salinicola	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Chacoan Mara

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Chacoan Mara	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chacoan Mara

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.

Chacoan Mara

The Chacoan Mara (Dolichotis salinicola) is a species in the genus Dolichotis. It is currently classified as Least Concern on the IUCN Red List.