Lesson's Saddle-back Tamarin vs Speer’s Collared Frog

Leontocebus fuscus compared with Mannophryne speeri

Key Differences

• Lesson's Saddle-back Tamarin is Least Concern while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Lesson's Saddle-back Tamarin	Speer’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Anura (Frogs & Toads)
Family	Callitrichidae	Aromobatidae
Genus	Leontocebus	Mannophryne
Species	Leontocebus fuscus	Mannophryne speeri

Evolutionary Relationship

Lesson's Saddle-back Tamarin and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesson's Saddle-back Tamarin

LC — Least Concern

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Lesson's Saddle-back Tamarin	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesson's Saddle-back Tamarin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.