bay barnacle vs Brown Rat

Amphibalanus improvisus compared with Rattus norvegicus

Key Differences

• bay barnacle is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	bay barnacle	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Maxillopoda (Maxillopoda)	Mammalia (Mammals)
Order	Sessilia (Sessilia)	Rodentia (Rodents)
Family	Balanidae	Muridae (Mice & Rats)
Genus	Amphibalanus	Rattus
Species	Amphibalanus improvisus	Rattus norvegicus

Evolutionary Relationship

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

Conservation Status

bay barnacle

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	bay barnacle	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bay barnacle

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Egypt), Asia (8 countries), Europe (15 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Ecuador).

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).

bay barnacle

The Bay barnacle (Amphibalanus improvisus) is a species in the genus Amphibalanus. Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region. Its range includes Argentina, Australia, Azerbaijan, Belgium, and Brazil.

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 25 countries:

🇦🇷 Argentina 🇦🇺 Australia 🇧🇪 Belgium 🇧🇷 Brazil 🇧🇬 Bulgaria 🇨🇦 Canada 🇭🇷 Croatia 🇩🇰 Denmark 🇪🇨 Ecuador 🇪🇬 Egypt 🇫🇮 Finland 🇫🇷 France 🇮🇪 Ireland 🇮🇹 Italy 🇯🇵 Japan 🇲🇽 Mexico 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇷🇺 Russia 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States