Big Finner vs Buff-rumped Warbler

Balaenoptera physalus compared with Myiothlypis fulvicauda

Key Differences

• Big Finner is Endangered while Buff-rumped Warbler is Least Concern.

Taxonomic Classification

Rank	Big Finner	Buff-rumped Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Balaenopteridae (Rorquals)	Parulidae
Genus	Balaenoptera (Rorquals)	Myiothlypis
Species	Balaenoptera physalus	Myiothlypis fulvicauda

Evolutionary Relationship

Big Finner and Buff-rumped Warbler share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Buff-rumped Warbler

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Buff-rumped Warbler
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.

Buff-rumped Warbler

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Buff-rumped Warbler

Buff-rumped Warbler (Myiothlypis fulvicauda) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway