Ouistiti a téte noire vs Speer’s Collared Frog

Mico nigriceps compared with Mannophryne speeri

Key Differences

• Ouistiti a téte noire is Near Threatened while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Ouistiti a téte noire	Speer’s Collared Frog
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Amphibia (両生類)
Order	Primates (サル目)	Anura (カエル)
Family	Callitrichidae	Aromobatidae
Genus	Mico	Mannophryne
Species	Mico nigriceps	Mannophryne speeri

Evolutionary Relationship

Ouistiti a téte noire and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Ouistiti a téte noire

NT — Near Threatened

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Ouistiti a téte noire	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ouistiti a téte noire

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Speer’s Collared Frog

Habitat

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

Range

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