Hector’s Beaked Whale vs Square-spot Bell

Mesoplodon hectori compared with Notocelia tetragonana

Key Differences

• Hector’s Beaked Whale is Data Deficient while Square-spot Bell is Vulnerable.

Taxonomic Classification

Rank	Hector’s Beaked Whale	Square-spot Bell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Hyperoodontidae	Tortricidae
Genus	Mesoplodon	Notocelia
Species	Mesoplodon hectori	Notocelia tetragonana

Evolutionary Relationship

Hector’s Beaked Whale and Square-spot Bell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hector’s Beaked Whale

DD — Data Deficient

Square-spot Bell

VU — Vulnerable

Physical Characteristics

Attribute	Hector’s Beaked Whale	Square-spot Bell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Square-spot Bell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.