Cottontop Tamarin vs Red-Throated Diver

Saguinus oedipus compared with Gavia stellata

Key Differences

• Cottontop Tamarin is Critically Endangered while Red-Throated Diver is Near Threatened.

Taxonomic Classification

Rank	Cottontop Tamarin	Red-Throated Diver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Gaviiformes (Gaviiformes)
Family	Callitrichidae	Gaviidae
Genus	Saguinus	Gavia
Species	Saguinus oedipus	Gavia stellata

Evolutionary Relationship

Cottontop Tamarin and Red-Throated Diver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cottontop Tamarin

CR — Critically Endangered

Red-Throated Diver

NT — Near Threatened

Physical Characteristics

Attribute	Cottontop Tamarin	Red-Throated Diver
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.

Red-Throated Diver

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red-Throated Diver

Red-Throated Diver (Gavia stellata) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.