Colombian Oldfield Mouse vs cigarrinha-do-campo

Thomasomys dispar compared with Ammodramus aurifrons

Key Differences

• Colombian Oldfield Mouse is Data Deficient while cigarrinha-do-campo is Least Concern.

Taxonomic Classification

Rank	Colombian Oldfield Mouse	cigarrinha-do-campo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Rodentia (Roedores)	Passeriformes (Songbirds)
Family	Cricetidae	Passerellidae
Genus	Thomasomys	Ammodramus
Species	Thomasomys dispar	Ammodramus aurifrons

Evolutionary Relationship

Colombian Oldfield Mouse and cigarrinha-do-campo share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Colombian Oldfield Mouse

DD — Data Deficient

cigarrinha-do-campo

LC — Least Concern

Physical Characteristics

Attribute	Colombian Oldfield Mouse	cigarrinha-do-campo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Colombian Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

cigarrinha-do-campo

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Colombian Oldfield Mouse

<em>Thomasomys dispar</em>, commonly known as the Colombian Oldfield Mouse, is a small rodent species belonging to the genus <em>Thomasomys</em> within the family Cricetidae. This species is classified as Data Deficient, indicating that insufficient information is currently available to evaluate its conservation status with confidence. It has been documented in Colombia, where it inhabits diverse terrestrial and aquatic-adjacent environments. Members of the genus <em>Thomasomys</em> are typically associated with high-altitude Andean habitats, including páramo grasslands, shrublands, and montane forest edges, where they occupy ground-level microhabitats and burrow in soft soils. These mice are generally omnivorous, consuming seeds, plant material, and invertebrates, though specific dietary data for <em>Thomasomys dispar</em> have not been recorded. Biological traits of this species remain poorly documented in the scientific literature. The Data Deficient classification highlights the need for targeted surveys in Colombian Andean regions to determine population size, distribution, and the ecological requirements of this poorly known rodent.

cigarrinha-do-campo

O pardal-de-sobrancelha-amarela (Ammodramus aurifrons) está classificado como Pouco Preocupante (LC) na Lista Vermelha da IUCN. É um pequeno passeriforme que habita pastagens, prados e arrozais das bacias Amazônica e do Orinoco na América do Sul, com ampla distribuição e população estável.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia