Buff-necked Ibis vs Nilgiri langur

Theristicus caudatus compared with Semnopithecus johnii

Key Differences

• Buff-necked Ibis is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Buff-necked Ibis	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Primates (Primates)
Family	Threskiornithidae	Cercopithecidae (Old World Monkeys)
Genus	Theristicus	Semnopithecus
Species	Theristicus caudatus	Semnopithecus johnii

Evolutionary Relationship

Buff-necked Ibis and Nilgiri langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Buff-necked Ibis

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Buff-necked Ibis	Nilgiri langur
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).

Nilgiri langur

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.