Brown Rat vs Cayenne porterweed

Rattus norvegicus compared with Stachytarpheta cayennensis

Taxonomic Classification

Rank	Brown Rat	Cayenne porterweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Lamiales (Lamiales)
Family	Muridae (Mice & Rats)	Verbenaceae
Genus	Rattus	Stachytarpheta
Species	Rattus norvegicus	Stachytarpheta cayennensis

Conservation Status

Brown Rat

LC — Least Concern

Cayenne porterweed

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Cayenne porterweed
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).

Cayenne porterweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 7 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (10 countries), Asia (5 countries), North America (4 countries), Oceania and the Pacific (12 countries), and South America (Brazil, Chile, Colombia).

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.

Cayenne porterweed

The Cayenne porterweed (Stachytarpheta cayennensis) is a species in the genus Stachytarpheta. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 7 distinct biome types. Populations are also found in

Shared Countries

Both species can be found in 15 countries:

🇦🇺 Australia 🇧🇷 Brazil 🇨🇱 Chile 🇨🇴 Colombia 🇫🇯 Fiji 🇯🇵 Japan 🇲🇭 Marshall Islands 🇫🇲 Micronesia 🇵🇼 Palau 🇼🇸 Samoa 🇸🇬 Singapore 🇿🇦 South Africa 🇹🇴 Tonga 🇺🇸 United States 🇻🇺 Vanuatu