Caatinga laucha vs Common Raven

Calomys expulsus compared with Corvus corax

Key Differences

• Caatinga laucha is Least Concern while Common Raven is Not Evaluated.

Taxonomic Classification

Rank	Caatinga laucha	Common Raven
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Corvidae (Crows & Ravens)
Genus	Calomys	Corvus (Crows & Ravens)
Species	Calomys expulsus	Corvus corax

Evolutionary Relationship

Caatinga laucha and Common Raven share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caatinga laucha

LC — Least Concern

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Physical Characteristics

Attribute	Caatinga laucha	Common Raven
Diet	—	Omnivore
Average Lifespan	—	15 years
Average Length	—	60 cm
Average Weight	—	1.2 kg

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

Caatinga laucha

The Caatinga laucha (Calomys expulsus) is a species in the genus Calomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Raven

One of the most intelligent birds known, common ravens demonstrate problem-solving abilities rivaling great apes, including tool use, planning, and deceptive behavior. Found across the Northern Hemisphere from Arctic tundra to deserts, ravens are highly adaptable omnivores. They form complex social hierarchies, engage in cooperative foraging, and have been observed engaging in play. Their intelligence and black plumage have made them figures of mythology across many cultures.