Alder Spittlebug vs Big Finner

Aphrophora alni compared with Balaenoptera physalus

Key Differences

• Alder Spittlebug is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Cetacea (Whales & Dolphins)
Family	Aphrophoridae	Balaenopteridae (Rorquals)
Genus	Aphrophora	Balaenoptera (Rorquals)
Species	Aphrophora alni	Balaenoptera physalus

Evolutionary Relationship

Alder Spittlebug and Big Finner share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder Spittlebug

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

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