Hector’s Beaked Whale vs Least Tern

Mesoplodon hectori compared with Sternula antillarum

Key Differences

• Hector’s Beaked Whale is Data Deficient while Least Tern is Least Concern.

Taxonomic Classification

Rank	Hector’s Beaked Whale	Least 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	Hyperoodontidae	Laridae
Genus	Mesoplodon	Sternula
Species	Mesoplodon hectori	Sternula antillarum

Evolutionary Relationship

Hector’s Beaked Whale and Least Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hector’s Beaked Whale

DD — Data Deficient

Least Tern

LC — Least Concern

Physical Characteristics

Attribute	Hector’s Beaked Whale	Least Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.