Black-naped Tern vs Giant Otter

Sterna sumatrana compared with Pteronura brasiliensis

Key Differences

• Black-naped Tern is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Black-naped Tern	Giant Otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Carnivora (Carnivorans)
Family	Laridae	Mustelidae (Weasels & Otters)
Genus	Sterna	Pteronura
Species	Sterna sumatrana	Pteronura brasiliensis

Evolutionary Relationship

Black-naped Tern and Giant Otter share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-naped Tern

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Black-naped Tern	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-naped Tern

Habitat

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

Range

Found in Norway.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-naped Tern

The Black-naped Tern (Sterna sumatrana) is a species in the genus Sterna. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.