Blainville’s Beaked Whale vs Dwarf round ray

Mesoplodon densirostris compared with Urotrygon nana

Key Differences

• Blainville’s Beaked Whale is Data Deficient while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Blainville’s Beaked Whale	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Myliobatiformes)
Family	Hyperoodontidae	Urotrygonidae
Genus	Mesoplodon	Urotrygon
Species	Mesoplodon densirostris	Urotrygon nana

Evolutionary Relationship

Blainville’s Beaked Whale and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blainville’s Beaked Whale

DD — Data Deficient

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Blainville’s Beaked Whale	Dwarf round ray
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.

Dwarf round ray

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.