Buff-necked Ibis vs Grevy's zebra

Theristicus caudatus compared with Equus grevyi

Key Differences

• Buff-necked Ibis is Least Concern while Grevy's zebra is Endangered.

Taxonomic Classification

Rank	Buff-necked Ibis	Grevy's zebra
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Perissodactyla (Odd-toed Ungulates)
Family	Threskiornithidae	Equidae (Horses & Zebras)
Genus	Theristicus	Equus (Horses & Zebras)
Species	Theristicus caudatus	Equus grevyi

Evolutionary Relationship

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

Conservation Status

Buff-necked Ibis

LC — Least Concern

Grevy's zebra

EN — Endangered

Physical Characteristics

Attribute	Buff-necked Ibis	Grevy's zebra
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).

Grevy's zebra

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.