Souris sauteuse vs Speer’s Collared Frog

Notomys macrotis compared with Mannophryne speeri

Key Differences

• Souris sauteuse is Extinct while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Souris sauteuse	Speer’s Collared Frog
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Amphibia (amphibien)
Order	Rodentia (Rodents)	Anura (anoures)
Family	Muridae (Mice & Rats)	Aromobatidae
Genus	Notomys	Mannophryne
Species	Notomys macrotis	Mannophryne speeri

Evolutionary Relationship

Souris sauteuse and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Souris sauteuse

EX — Extinct

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Souris sauteuse	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Souris sauteuse

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.

Souris sauteuse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.