Brown Rat vs Mallard

Rattus norvegicus compared with Anas platyrhynchos

Taxonomic Classification

Rank	Brown Rat	Mallard
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Muridae (Mice & Rats)	Anatidae
Genus	Rattus	Anas
Species	Rattus norvegicus	Anas platyrhynchos

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Brown Rat

LC — Least Concern

Mallard

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Mallard
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).

Mallard

Habitat

Inhabits tropical and subtropical moist broadleaf forests and deserts and xeric shrublands spanning the Afrotropic and Indomalayan realms.

Range

Widely distributed across Africa (5 countries), Asia (Bhutan, Nepal), Europe (7 countries), North America (Barbados, El Salvador, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

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.

Mallard

Mallard (Anas platyrhynchos) 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.