Amazonian Marsh Rat vs Goldcrest

Holochilus sciureus compared with Regulus regulus

Key Differences

• Amazonian Marsh Rat is Least Concern while Goldcrest is Vulnerable.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Goldcrest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Regulidae
Genus	Holochilus	Regulus
Species	Holochilus sciureus	Regulus regulus

Evolutionary Relationship

Amazonian Marsh Rat and Goldcrest share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Goldcrest

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Marsh Rat	Goldcrest
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Goldcrest

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Goldcrest

Goldcrest (Regulus regulus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.