Neotropical otter vs River Tern

Lontra longicaudis compared with Sterna aurantia

Key Differences

• Neotropical otter is Data Deficient while River Tern is Vulnerable.

Taxonomic Classification

Rank	Neotropical otter	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Carnivora (Carnivorans)	Charadriiformes (Charadriiformes)
Family	Mustelidae (Weasels & Otters)	Laridae
Genus	Lontra	Sterna
Species	Lontra longicaudis	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Neotropical otter

DD — Data Deficient

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Neotropical otter	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.