Big Finner vs Blackthorn slender

Balaenoptera physalus compared with Parornix torquillella

Taxonomic Classification

Rank Big Finner Blackthorn slender
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum Chordata (Chordates) Arthropoda (Arthropods)
Class Mammalia (Mammals) Insecta (Insects)
Order Cetacea (Whales & Dolphins) Lepidoptera (Butterflies & Moths)
Family Balaenopteridae (Rorquals) Gracillariidae
Genus Balaenoptera (Rorquals) Parornix
Species Balaenoptera physalus Parornix torquillella

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

Blackthorn slender

EN — Endangered

Physical Characteristics

Attribute Big Finner Blackthorn slender
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.

Blackthorn slender

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Blackthorn slender

The Blackthorn slender (Parornix torquillella) is a species in the genus Parornix. It is currently classified as Endangered on the IUCN Red List. Found across Europe (8 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 4 countries:

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