Grizzled Tree-kangaroo vs Speer’s Collared Frog

Dendrolagus inustus compared with Mannophryne speeri

Key Differences

• Grizzled Tree-kangaroo is Vulnerable while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Grizzled Tree-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	Macropodidae (Kangaroos)	Aromobatidae
Genus	Dendrolagus	Mannophryne
Species	Dendrolagus inustus	Mannophryne speeri

Evolutionary Relationship

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

Conservation Status

Grizzled Tree-kangaroo

VU — Vulnerable

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Grizzled Tree-kangaroo	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grizzled Tree-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.