Eden's whale vs Gadwall

Balaenoptera edeni compared with Mareca strepera

Key Differences

• Eden's whale is Data Deficient while Gadwall is Least Concern.

Taxonomic Classification

Rank	Eden's 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	Balaenopteridae (Rorquals)	Anatidae
Genus	Balaenoptera (Rorquals)	Mareca
Species	Balaenoptera edeni	Mareca strepera

Evolutionary Relationship

Eden's whale and Gadwall share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eden's whale

DD — Data Deficient

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Eden's whale	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eden's whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway), and South America (Colombia, Ecuador, Venezuela).

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).

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 4 countries:

🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇹🇼 Taiwan