Asian Openbill vs Buff-necked Ibis

Anastomus oscitans compared with Theristicus caudatus

Taxonomic Classification

Rank	Asian Openbill	Buff-necked Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Ciconiiformes (Ciconiiformes)	Pelecaniformes (Pelecaniformes)
Family	Ciconiidae	Threskiornithidae
Genus	Anastomus	Theristicus
Species	Anastomus oscitans	Theristicus caudatus

Evolutionary Relationship

Asian Openbill and Buff-necked Ibis share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Asian Openbill

LC — Least Concern

Buff-necked Ibis

LC — Least Concern

Physical Characteristics

Attribute	Asian Openbill	Buff-necked Ibis
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

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

Range

Found in Norway.

Buff-necked Ibis

Habitat

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

Range

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

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. 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