Ecuadorean Small-eared Shrew vs River Tern

Cryptotis equatoris compared with Sterna aurantia

Key Differences

• Ecuadorean Small-eared Shrew is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Ecuadorean Small-eared Shrew	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Charadriiformes (Charadriiformes)
Family	Soricidae	Laridae
Genus	Cryptotis	Sterna
Species	Cryptotis equatoris	Sterna aurantia

Evolutionary Relationship

Ecuadorean Small-eared Shrew and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ecuadorean Small-eared Shrew

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Ecuadorean Small-eared Shrew	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorean Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.