Dusky Dolphin vs Hector’s Beaked Whale

Lagenorhynchus obscurus compared with Mesoplodon hectori

Key Differences

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

Taxonomic Classification

Rank	Dusky Dolphin	Hector’s Beaked Whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Delphinidae (Oceanic Dolphins)	Hyperoodontidae
Genus	Lagenorhynchus	Mesoplodon
Species	Lagenorhynchus obscurus	Mesoplodon hectori

Evolutionary Relationship

Dusky Dolphin and Hector’s Beaked Whale share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Dusky Dolphin

LC — Least Concern

Hector’s Beaked Whale

DD — Data Deficient

Physical Characteristics

Attribute	Dusky Dolphin	Hector’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hector’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.