Delicate Pygmy Rice Rat vs Gadwall

Oligoryzomys delicatus compared with Mareca strepera

Key Differences

• Delicate Pygmy Rice Rat is Data Deficient while Gadwall is Least Concern.

Taxonomic Classification

Rank	Delicate Pygmy Rice Rat	Gadwall
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Oligoryzomys	Mareca
Species	Oligoryzomys delicatus	Mareca strepera

Evolutionary Relationship

Delicate Pygmy Rice Rat and Gadwall share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Delicate Pygmy Rice Rat

DD — Data Deficient

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Delicate Pygmy Rice Rat	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Gadwall

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Gadwall

Gadwall (Mareca strepera) 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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia