Black Tern vs Lesser Cachalot

Chlidonias niger compared with Kogia breviceps

Key Differences

• Black Tern is Least Concern while Lesser Cachalot is Data Deficient.

Taxonomic Classification

Rank	Black Tern	Lesser Cachalot
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Cetacea (Whales & Dolphins)
Family	Laridae	Kogiidae
Genus	Chlidonias	Kogia
Species	Chlidonias niger	Kogia breviceps

Evolutionary Relationship

Black Tern and Lesser Cachalot share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Tern

LC — Least Concern

Lesser Cachalot

DD — Data Deficient

Physical Characteristics

Attribute	Black Tern	Lesser Cachalot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, Portugal, Sweden, and Taiwan.

Black Tern

Black Tern (Chlidonias niger) 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 🇸🇪 Sweden