Amazonian Marsh Rat vs Black-headed Ibis

Holochilus sciureus compared with Threskiornis melanocephalus

Key Differences

• Amazonian Marsh Rat is Least Concern while Black-headed Ibis is Near Threatened.

Taxonomic Classification

Rank	Amazonian Marsh Rat	Black-headed Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Pelecaniformes (Pelecaniformes)
Family	Cricetidae	Threskiornithidae
Genus	Holochilus	Threskiornis
Species	Holochilus sciureus	Threskiornis melanocephalus

Evolutionary Relationship

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

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Black-headed Ibis

NT — Near Threatened

Physical Characteristics

Attribute	Amazonian Marsh Rat	Black-headed Ibis
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.

Black-headed Ibis

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). 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.

Black-headed Ibis

The Black-headed Ibis (Threskiornis melanocephalus) is a species in the genus Threskiornis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.