Big Finner vs Red-collared Widowbird

Balaenoptera physalus compared with Euplectes ardens

Key Differences

• Big Finner is Endangered while Red-collared Widowbird is Least Concern.

Taxonomic Classification

Rank	Big Finner	Red-collared Widowbird
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)	Ploceidae
Genus	Balaenoptera (Rorquals)	Euplectes
Species	Balaenoptera physalus	Euplectes ardens

Evolutionary Relationship

Big Finner and Red-collared Widowbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Red-collared Widowbird

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Red-collared Widowbird
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.

Red-collared Widowbird

Habitat

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

Range

Distributed across Norway, United Arab Emirates, and United Kingdom.

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