Amazonian Marsh Rat vs Buff-necked Ibis

Holochilus sciureus compared with Theristicus caudatus

Taxonomic Classification

Rank	Amazonian Marsh Rat	Buff-necked 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	Theristicus
Species	Holochilus sciureus	Theristicus caudatus

Evolutionary Relationship

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

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

Buff-necked Ibis

LC — Least Concern

Physical Characteristics

Attribute	Amazonian Marsh Rat	Buff-necked 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.

Buff-necked Ibis

Habitat

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

Range

Found across Europe (5 countries) and South America (Colombia, Venezuela).

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.

Buff-necked Ibis

Buff-necked Ibis (Theristicus caudatus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela