Buff-necked Ibis vs Plumbeous Ibis

Theristicus caudatus compared with Theristicus caerulescens

Taxonomic Classification

Rank	Buff-necked Ibis	Plumbeous Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Pelecaniformes (Pelecaniformes)	Pelecaniformes (Pelecaniformes)
Family same	Threskiornithidae	Threskiornithidae
Genus same	Theristicus	Theristicus
Species	Theristicus caudatus	Theristicus caerulescens

Evolutionary Relationship

Buff-necked Ibis and Plumbeous Ibis share a common ancestor at the Genus level: Theristicus.

Conservation Status

Buff-necked Ibis

LC — Least Concern

Plumbeous Ibis

LC — Least Concern

Physical Characteristics

Attribute	Buff-necked Ibis	Plumbeous Ibis
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).

Plumbeous Ibis

Habitat

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

Range

Found in Norway.

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 1 countries:

🇳🇴 Norway