Buff-necked Ibis vs Cottontop Tamarin

Theristicus caudatus compared with Saguinus oedipus

Key Differences

• Buff-necked Ibis is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Buff-necked Ibis	Cottontop Tamarin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Pelecaniformes (Pelecaniformes)	Primates (Primates)
Family	Threskiornithidae	Callitrichidae
Genus	Theristicus	Saguinus
Species	Theristicus caudatus	Saguinus oedipus

Evolutionary Relationship

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

Conservation Status

Buff-necked Ibis

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Buff-necked Ibis	Cottontop Tamarin
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).

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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:

🇨🇴 Colombia