Aquatic Treefrog vs Black-headed Night Monkey

Sarcohyla crassa compared with Aotus nigriceps

Key Differences

• Aquatic Treefrog is Critically Endangered while Black-headed Night Monkey is Least Concern.

Taxonomic Classification

Rank	Aquatic Treefrog	Black-headed Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Primates (Primates)
Family	Hylidae	Aotidae
Genus	Sarcohyla	Aotus
Species	Sarcohyla crassa	Aotus nigriceps

Evolutionary Relationship

Aquatic Treefrog and Black-headed Night Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Aquatic Treefrog

CR — Critically Endangered

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Aquatic Treefrog	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aquatic Treefrog

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Aquatic Treefrog

The Aquatic Treefrog (Sarcohyla crassa) is a species in the genus Sarcohyla. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.