Baleia-comum vs Dusky Dolphin

Balaenoptera physalus compared with Lagenorhynchus obscurus

Key Differences

• Baleia-comum is Endangered while Dusky Dolphin is Least Concern.

Taxonomic Classification

Rank	Baleia-comum	Dusky Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Balaenopteridae (Rorquals)	Delphinidae (Oceanic Dolphins)
Genus	Balaenoptera (Rorquals)	Lagenorhynchus
Species	Balaenoptera physalus	Lagenorhynchus obscurus

Evolutionary Relationship

Baleia-comum and Dusky Dolphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Baleia-comum

EN — Endangered

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Baleia-comum	Dusky Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baleia-comum

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.

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Baleia-comum

A baleia-fin (Balaenoptera physalus) está classificada como Em Perigo (EN) na Lista Vermelha da IUCN. Com alto risco de extinção em estado selvagem, com declínio populacional significativo e ameaças contínuas à sua sobrevivência.