Cottontop Tamarin vs Round ray

Saguinus oedipus compared with Irolita waitii

Key Differences

• Cottontop Tamarin is Critically Endangered while Round ray is Least Concern.

Taxonomic Classification

Rank	Cottontop Tamarin	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Callitrichidae	Arhynchobatidae
Genus	Saguinus	Irolita
Species	Saguinus oedipus	Irolita waitii

Evolutionary Relationship

Cottontop Tamarin and Round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cottontop Tamarin

CR — Critically Endangered

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Cottontop Tamarin	Round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Round ray