Caatinga laucha vs guarda-rios

Calomys expulsus compared with Alcedo atthis

Key Differences

• Caatinga laucha is Least Concern while guarda-rios is Vulnerable.

Taxonomic Classification

Rank	Caatinga laucha	guarda-rios
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Rodentia (Roedores)	Coraciiformes (Coraciiformes)
Family	Cricetidae	Alcedinidae
Genus	Calomys	Alcedo
Species	Calomys expulsus	Alcedo atthis

Evolutionary Relationship

Caatinga laucha and guarda-rios share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Caatinga laucha

LC — Least Concern

guarda-rios

VU — Vulnerable

Physical Characteristics

Attribute	Caatinga laucha	guarda-rios
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caatinga laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

guarda-rios

Habitat

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

Range

Found across Europe (6 countries). Currently classified as Vulnerable 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.

guarda-rios

O martim-pescador-comum (Alcedo atthis) está classificado como Vulnerável (VU) na Lista Vermelha da IUCN. Enfrenta alto risco de ameaça na natureza, com populações em declínio e crescente pressão sobre seu habitat.