Amazonian Marsh Rat vs Olive-headed Weaver

Holochilus sciureus compared with Ploceus olivaceiceps

Key Differences

• Amazonian Marsh Rat is Least Concern while Olive-headed Weaver is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Olive-headed Weaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Ploceidae
Genus	Holochilus	Ploceus
Species	Holochilus sciureus	Ploceus olivaceiceps

Evolutionary Relationship

Amazonian Marsh Rat and Olive-headed Weaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Olive-headed Weaver

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Olive-headed Weaver
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.

Olive-headed Weaver

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.