Blainville’s Beaked Whale vs Gadwall

Mesoplodon densirostris compared with Mareca strepera

Key Differences

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

Taxonomic Classification

Rank	Blainville’s Beaked Whale	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Hyperoodontidae	Anatidae
Genus	Mesoplodon	Mareca
Species	Mesoplodon densirostris	Mareca strepera

Evolutionary Relationship

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

Conservation Status

Blainville’s Beaked Whale

DD — Data Deficient

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Blainville’s Beaked Whale	Gadwall
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.

Gadwall

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

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.

Gadwall

Gadwall (Mareca strepera) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇸🇪 Sweden 🇹🇼 Taiwan