Bagwhale vs Silk-Button Spangle Gall

Balaenoptera acutorostrata compared with Neuroterus numismalis

Key Differences

• Bagwhale is Least Concern while Silk-Button Spangle Gall is Not Evaluated.

Taxonomic Classification

Rank	Bagwhale	Silk-Button Spangle Gall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Hymenoptera (Ants, Bees & Wasps)
Family	Balaenopteridae (Rorquals)	Cynipidae
Genus	Balaenoptera (Rorquals)	Neuroterus
Species	Balaenoptera acutorostrata	Neuroterus numismalis

Evolutionary Relationship

Bagwhale and Silk-Button Spangle Gall share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bagwhale

LC — Least Concern

Silk-Button Spangle Gall

NE — Not Evaluated

Physical Characteristics

Attribute	Bagwhale	Silk-Button Spangle Gall
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).

Silk-Button Spangle Gall

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden