Ballena de aleta vs Brown Rat

Balaenoptera physalus compared with Rattus norvegicus

Key Differences

• Ballena de aleta is Endangered while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Ballena de aleta	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Balaenopteridae (Rorquals)	Muridae (Mice & Rats)
Genus	Balaenoptera (Rorquals)	Rattus
Species	Balaenoptera physalus	Rattus norvegicus

Evolutionary Relationship

Ballena de aleta and Brown Rat share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Ballena de aleta

EN — Endangered

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Ballena de aleta	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ballena de aleta

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.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Ballena de aleta

La ballena de aleta (Balaenoptera physalus) está clasificada como En Peligro (EN) en la Lista Roja de la UICN. Presenta un alto riesgo de extinción en estado silvestre, con un significativo declive poblacional y amenazas continuas a su supervivencia.

Brown Rat

La rata parda (Rattus norvegicus) está clasificada como Preocupación Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuida y abundante en su área de distribución, con poblaciones estables y sin preocupaciones de conservación inmediatas.

Shared Countries

Both species can be found in 9 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇻🇪 Venezuela