Blainville’s Beaked Whale vs Dusky Dolphin

Mesoplodon densirostris compared with Lagenorhynchus obscurus

Key Differences

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

Taxonomic Classification

Rank	Blainville’s Beaked Whale	Dusky Dolphin
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	Hyperoodontidae	Delphinidae (Oceanic Dolphins)
Genus	Mesoplodon	Lagenorhynchus
Species	Mesoplodon densirostris	Lagenorhynchus obscurus

Evolutionary Relationship

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

Conservation Status

Blainville’s Beaked Whale

DD — Data Deficient

Dusky Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Blainville’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blainville’s Beaked Whale

The Blainville’s Beaked Whale (Mesoplodon densirostris) is a species in the genus Mesoplodon. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.