Andean Chilomys vs Royal Tern

Chilomys instans compared with Thalasseus maximus

Taxonomic Classification

Rank	Andean Chilomys	Royal 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	Chilomys	Thalasseus
Species	Chilomys instans	Thalasseus maximus

Evolutionary Relationship

Andean Chilomys and Royal Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Andean Chilomys

LC — Least Concern

Royal Tern

LC — Least Concern

Physical Characteristics

Attribute	Andean Chilomys	Royal Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Chilomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Andean Chilomys

The Andean Chilomys (Chilomys instans) is a species in the genus Chilomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Royal Tern

Royal Tern (Thalasseus maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela