Lesser Cachalot vs Royal Tern

Kogia breviceps compared with Thalasseus maximus

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Lesser Cachalot

DD — Data Deficient

Royal Tern

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Lesser Cachalot

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Royal Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Royal Tern

Royal Tern (Thalasseus maximus) 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