Black-fronted Duiker vs Speer’s Collared Frog

Cephalophus nigrifrons compared with Mannophryne speeri

Key Differences

• Black-fronted Duiker is Least Concern while Speer’s Collared Frog is Critically Endangered.

Taxonomic Classification

Rank	Black-fronted Duiker	Speer’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Artiodactyla (Even-toed Ungulates)	Anura (Frogs & Toads)
Family	Bovidae (Bovids)	Aromobatidae
Genus	Cephalophus	Mannophryne
Species	Cephalophus nigrifrons	Mannophryne speeri

Evolutionary Relationship

Black-fronted Duiker and Speer’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-fronted Duiker

LC — Least Concern

Speer’s Collared Frog

CR — Critically Endangered

Physical Characteristics

Attribute	Black-fronted Duiker	Speer’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-fronted Duiker

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.

Black-fronted Duiker

The Black-fronted Duiker (Cephalophus nigrifrons) is a species in the genus Cephalophus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.