灰背岸八哥 vs Colombian Speckled Tree-rat

Acridotheres ginginianus compared with Pattonomys semivillosus

Taxonomic Classification

Rank	灰背岸八哥	Colombian Speckled Tree-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	Echimyidae
Genus	Acridotheres	Pattonomys
Species	Acridotheres ginginianus	Pattonomys semivillosus

Evolutionary Relationship

灰背岸八哥 and Colombian Speckled Tree-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

Colombian Speckled Tree-rat

LC — Least Concern

Physical Characteristics

Attribute	灰背岸八哥	Colombian Speckled Tree-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).

Colombian Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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。

Colombian Speckled Tree-rat

<em>Pattonomys semivillosus</em>, the Colombian speckled tree-rat, is an arboreal rodent in the family Echimyidae distributed within Colombia. Members of the genus <em>Pattonomys</em> are associated with tropical forest canopy habitats, where their semi-arboreal lifestyle allows exploitation of fruiting trees and epiphytic vegetation. The speckled pelage characteristic of this species likely provides camouflage within dappled forest light. <em>Pattonomys semivillosus</em> is currently listed as Least Concern by the IUCN, reflecting a population not considered to be under immediate threat of significant decline. However, like many forest-dependent Neotropical rodents, this species may be sensitive to deforestation and habitat fragmentation, which reduce connectivity between forest patches and limit access to food resources and mates. The species is presumed to feed primarily on plant matter, including seeds, fruits, and bark. Its ecological role likely includes seed dispersal within its forest habitat. Biological traits of this species remain poorly documented in the scientific literature.