Buff-necked Ibis vs Darwin s Nesoryzomys

Theristicus caudatus compared with Nesoryzomys darwini

Key Differences

• Buff-necked Ibis is Least Concern while Darwin s Nesoryzomys is Extinct.

Taxonomic Classification

Rank	Buff-necked Ibis	Darwin s Nesoryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Rodentia (Rodents)
Family	Threskiornithidae	Cricetidae
Genus	Theristicus	Nesoryzomys
Species	Theristicus caudatus	Nesoryzomys darwini

Evolutionary Relationship

Buff-necked Ibis and Darwin s Nesoryzomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-necked Ibis

LC — Least Concern

Darwin s Nesoryzomys

EX — Extinct

Physical Characteristics

Attribute	Buff-necked Ibis	Darwin s Nesoryzomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-necked Ibis

Habitat

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

Range

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

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.