灰背岸八哥 vs Polynesian rat

Acridotheres ginginianus compared with Rattus exulans

Taxonomic Classification

Rank	灰背岸八哥	Polynesian rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Passeriformes (雀形目)	Rodentia (啮齿目)
Family	Sturnidae	Muridae (Mice & Rats)
Genus	Acridotheres	Rattus
Species	Acridotheres ginginianus	Rattus exulans

Evolutionary Relationship

灰背岸八哥 and Polynesian rat share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

灰背岸八哥

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	灰背岸八哥	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

灰背岸八哥

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Asia (6 countries) and Europe (6 countries).

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

灰背岸八哥

岸八哥（Acridotheres ginginianus）在IUCN红色名录中被列为无危（LC）。该物种在其分布范围内广泛分布、数量丰富，种群稳定，目前没有直接的保育关注。

Shared Countries

Both species can be found in 3 countries:

🇯🇵 Japan 🇹🇼 Taiwan 🇬🇧 United Kingdom