Desert Rat-kangaroo vs Speer’s Collared Frog

Caloprymnus campestris compared with Mannophryne speeri

Key Differences

• Desert Rat-kangaroo is Extinct while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Desert Rat-kangaroo	Speer’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Diprotodontia (Marsupials)	Anura (Frogs & Toads)
Family	Potoroidae	Aromobatidae
Genus	Caloprymnus	Mannophryne
Species	Caloprymnus campestris	Mannophryne speeri

Evolutionary Relationship

Desert Rat-kangaroo and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Desert Rat-kangaroo

EX — Extinct

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Desert Rat-kangaroo	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desert Rat-kangaroo

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.