Grizzled Colilargo vs Stygian Owl

Oligoryzomys griseolus compared with Asio stygius

Taxonomic Classification

Rank	Grizzled Colilargo	Stygian Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Strigiformes (Owls)
Family	Cricetidae	Strigidae (True Owls)
Genus	Oligoryzomys	Asio
Species	Oligoryzomys griseolus	Asio stygius

Evolutionary Relationship

Grizzled Colilargo and Stygian Owl share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Grizzled Colilargo

LC — Least Concern

Stygian Owl

LC — Least Concern

Physical Characteristics

Attribute	Grizzled Colilargo	Stygian Owl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grizzled Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Stygian Owl

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Stygian Owl

Stygian Owl (Asio stygius) 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 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela