Bahia Spinetail vs Big Finner

Synallaxis cinerea compared with Balaenoptera physalus

Key Differences

• Bahia Spinetail is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Bahia Spinetail	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Cetacea (Whales & Dolphins)
Family	Furnariidae	Balaenopteridae (Rorquals)
Genus	Synallaxis	Balaenoptera (Rorquals)
Species	Synallaxis cinerea	Balaenoptera physalus

Evolutionary Relationship

Bahia Spinetail and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bahia Spinetail

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Bahia Spinetail	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bahia Spinetail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Bahia Spinetail

The Bahia Spinetail (Synallaxis cinerea) is a species in the genus Synallaxis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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 1 countries:

🇳🇴 Norway