Amazonian Marsh Rat vs Baleia-comum

Holochilus sciureus compared with Balaenoptera physalus

Key Differences

Amazonian Marsh Rat is Least Concern while Baleia-comum is Endangered.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Baleia-comum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Roedores)	Cetacea (Whales & Dolphins)
Family	Cricetidae	Balaenopteridae (Rorquals)
Genus	Holochilus	Balaenoptera (Rorquals)
Species	Holochilus sciureus	Balaenoptera physalus

Evolutionary Relationship

Amazonian Marsh Rat and Baleia-comum share a common ancestor at the Class level: Mammalia. (mamíferos)

View Class: Mammalia

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Baleia-comum

EN — Endangered

Physical Characteristics

Attribute	Amazonian Marsh Rat	Baleia-comum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. 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.