Buff-necked Ibis vs Nelson s Antelope Squirrel

Theristicus caudatus compared with Ammospermophilus nelsoni

Key Differences

• Buff-necked Ibis is Least Concern while Nelson s Antelope Squirrel is Endangered.

Taxonomic Classification

Rank	Buff-necked Ibis	Nelson s Antelope Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Rodentia (Rodents)
Family	Threskiornithidae	Sciuridae (Squirrels)
Genus	Theristicus	Ammospermophilus
Species	Theristicus caudatus	Ammospermophilus nelsoni

Evolutionary Relationship

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

Conservation Status

Buff-necked Ibis

LC — Least Concern

Nelson s Antelope Squirrel

EN — Endangered

Physical Characteristics

Attribute	Buff-necked Ibis	Nelson s Antelope Squirrel
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).

Nelson s Antelope Squirrel

Habitat

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.