Bagwhale vs Ferruginous Duck

Balaenoptera acutorostrata compared with Aythya nyroca

Key Differences

• Bagwhale is Least Concern while Ferruginous Duck is Not Evaluated.

Taxonomic Classification

Rank	Bagwhale	Ferruginous Duck
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)	Aythya
Species	Balaenoptera acutorostrata	Aythya nyroca

Evolutionary Relationship

Bagwhale and Ferruginous Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bagwhale

LC — Least Concern

Ferruginous Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Bagwhale	Ferruginous Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bagwhale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador).

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

Bagwhale

Bagwhale (Balaenoptera acutorostrata) 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.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan