Brown Rat vs common tree frog

Rattus norvegicus compared with Hyla arborea

Key Differences

• Brown Rat is Least Concern while common tree frog is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	common tree frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Anura (Frogs & Toads)
Family	Muridae (Mice & Rats)	Hylidae
Genus	Rattus	Hyla
Species	Rattus norvegicus	Hyla arborea

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

common tree frog

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	common tree frog
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).

common tree frog

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (7 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

common tree frog

common tree frog (Hyla arborea) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇱🇺 Luxembourg 🇳🇱 Netherlands 🇸🇪 Sweden 🇬🇧 United Kingdom