Buff-necked Ibis vs Leschenault's rousette

Theristicus caudatus compared with Rousettus leschenaultii

Key Differences

• Buff-necked Ibis is Least Concern while Leschenault's rousette is Near Threatened.

Taxonomic Classification

Rank	Buff-necked Ibis	Leschenault's rousette
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Chiroptera (Bats)
Family	Threskiornithidae	Pteropodidae (Fruit Bats)
Genus	Theristicus	Rousettus
Species	Theristicus caudatus	Rousettus leschenaultii

Evolutionary Relationship

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

Conservation Status

Buff-necked Ibis

LC — Least Concern

Leschenault's rousette

NT — Near Threatened

Physical Characteristics

Attribute	Buff-necked Ibis	Leschenault's rousette
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).

Leschenault's rousette

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.