Acorn Weevil vs Brown Rat

Curculio glandium compared with Rattus norvegicus

Key Differences

• Acorn Weevil is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Acorn Weevil	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Coleoptera (Beetles)	Rodentia (Rodents)
Family	Curculionidae	Muridae (Mice & Rats)
Genus	Curculio	Rattus
Species	Curculio glandium	Rattus norvegicus

Evolutionary Relationship

Acorn Weevil and Brown Rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Acorn Weevil

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Acorn Weevil	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Acorn Weevil

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, and Sweden.

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).

Acorn Weevil

The Acorn Weevil (Curculio glandium) is a species in the genus Curculio. This species inhabits Typically found in virtually all terrestrial and freshwater habitats, found across Denmark, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden