Caatinga laucha vs dark speedwell

Calomys expulsus compared with Veronica opaca

Key Differences

• Caatinga laucha is Least Concern while dark speedwell is Critically Endangered.

Taxonomic Classification

Rank	Caatinga laucha	dark speedwell
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mamíferos)	Magnoliopsida (Dicots)
Order	Rodentia (Roedores)	Lamiales (Lamiales)
Family	Cricetidae	Plantaginaceae
Genus	Calomys	Veronica
Species	Calomys expulsus	Veronica opaca

Conservation Status

Caatinga laucha

LC — Least Concern

dark speedwell

CR — Critically Endangered

Physical Characteristics

Attribute	Caatinga laucha	dark speedwell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

dark speedwell

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 5 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (Japan) and Europe (13 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.