Big Finner vs Tree-hole tick

Balaenoptera physalus compared with Ixodes arboricola

Key Differences

• Big Finner is Endangered while Tree-hole tick is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	Tree-hole tick
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Cetacea (Whales & Dolphins)	Ixodida (Ixodida)
Family	Balaenopteridae (Rorquals)	Ixodidae
Genus	Balaenoptera (Rorquals)	Ixodes
Species	Balaenoptera physalus	Ixodes arboricola

Evolutionary Relationship

Big Finner and Tree-hole tick share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Finner

EN — Endangered

Tree-hole tick

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	Tree-hole tick
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Tree-hole tick

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Norway and Sweden.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden