Brown Rat vs Slender-billed Grackle

Rattus norvegicus compared with Quiscalus palustris

Key Differences

• Brown Rat is Least Concern while Slender-billed Grackle is Extinct.

Taxonomic Classification

Rank	Brown Rat	Slender-billed Grackle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Muridae (Mice & Rats)	Icteridae
Genus	Rattus	Quiscalus
Species	Rattus norvegicus	Quiscalus palustris

Evolutionary Relationship

Brown Rat and Slender-billed Grackle share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Slender-billed Grackle

EX — Extinct

Physical Characteristics

Attribute	Brown Rat	Slender-billed Grackle
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).

Slender-billed Grackle

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway