Brown Rat vs Slate-colored Grosbeak

Rattus norvegicus compared with Saltator grossus

Taxonomic Classification

Rank	Brown Rat	Slate-colored Grosbeak
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)	Thraupidae
Genus	Rattus	Saltator
Species	Rattus norvegicus	Saltator grossus

Evolutionary Relationship

Brown Rat and Slate-colored Grosbeak share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Slate-colored Grosbeak

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Slate-colored Grosbeak
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).

Slate-colored Grosbeak

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Slate-colored Grosbeak

A large, heavy-billed seed-eating bird of humid lowland forest in the Amazon basin, Central America, and northern South America, slate-colored grosbeaks have uniform dark slate-grey plumage with a powerful, pale bill. Despite their name, they are placed in the saltator genus. They inhabit dense, humid forest interior and forest edge, foraging in pairs or small groups on large seeds and hard fruits. Their powerful bills crack seeds too tough for most other birds. Listed as Least Concern.

Shared Countries

Both species can be found in 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela