Azores Noctule vs Big Finner

Nyctalus azoreum compared with Balaenoptera physalus

Key Differences

Azores Noctule is Vulnerable while Big Finner is Endangered.

Taxonomic Classification

Rank	Azores Noctule	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Cetacea (Whales & Dolphins)
Family	Vespertilionidae	Balaenopteridae (Rorquals)
Genus	Nyctalus	Balaenoptera (Rorquals)
Species	Nyctalus azoreum	Balaenoptera physalus

Evolutionary Relationship

Azores Noctule and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

View Class: Mammalia

Conservation Status

Azores Noctule

VU — Vulnerable

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Azores Noctule	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azores Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Azores Noctule

The Azores Noctule (Nyctalus azoreum) is a species in the genus Nyctalus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.