Neotropical otter vs Sandwich Tern

Lontra longicaudis compared with Thalasseus sandvicensis

Key Differences

• Neotropical otter is Data Deficient while Sandwich Tern is Least Concern.

Taxonomic Classification

Rank	Neotropical otter	Sandwich 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	Thalasseus
Species	Lontra longicaudis	Thalasseus sandvicensis

Evolutionary Relationship

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

Conservation Status

Neotropical otter

DD — Data Deficient

Sandwich Tern

LC — Least Concern

Physical Characteristics

Attribute	Neotropical otter	Sandwich 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.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) 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