Brown Rat vs Brown Skua

Rattus norvegicus compared with Stercorarius antarcticus

Key Differences

• Brown Rat is Least Concern while Brown Skua is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Brown Skua
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Muridae (Mice & Rats)	Stercorariidae
Genus	Rattus	Stercorarius
Species	Rattus norvegicus	Stercorarius antarcticus

Evolutionary Relationship

Brown Rat and Brown Skua share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Brown Skua

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Brown Skua
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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).

Brown Skua

Habitat

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

Range

Found in Norway.

Brown Rat

Brown Rat (Rattus norvegicus) 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.

Brown Skua

The Brown Skua (Stercorarius antarcticus) is a species in the genus Stercorarius. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway. As a member of the genus Stercorarius, it shares characteristics with related species within this taxonomic group.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway