灰背岸八哥 vs Colombian spiny rat

Acridotheres ginginianus compared with Proechimys canicollis

Taxonomic Classification

Rank	灰背岸八哥	Colombian spiny 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	Proechimys
Species	Acridotheres ginginianus	Proechimys canicollis

Evolutionary Relationship

灰背岸八哥 and Colombian spiny 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 spiny rat

LC — Least Concern

Physical Characteristics

Attribute	灰背岸八哥	Colombian spiny 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 spiny rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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 spiny rat

<em>Proechimys canicollis</em>, the Colombian spiny rat, is a terrestrial rodent belonging to the diverse family Echimyidae, occurring in Colombia and Venezuela. Spiny rats of the genus <em>Proechimys</em> are among the most species-rich genera of Neotropical rodents, typically inhabiting lowland tropical and subtropical forests, forest edges, and secondary vegetation. The coarse, spine-like hairs that give this group its common name are thought to function as a deterrent against predators. <em>Proechimys canicollis</em> is assessed as Least Concern by the IUCN, suggesting stable populations across its range. This species likely feeds on seeds, fallen fruits, fungi, and invertebrates, and may play an important role as a seed predator and disperser in forest ecosystems. Research indicates that <em>Proechimys</em> species often achieve high local densities in undisturbed forest, making them important prey items for raptors, felids, and large snakes. Habitat loss in northern South America remains a background concern for long-term population stability. Biological traits of this species remain poorly documented in the scientific literature.