arroyo toad vs Black-headed Night Monkey

Anaxyrus californicus compared with Aotus nigriceps

Key Differences

• arroyo toad is Endangered while Black-headed Night Monkey is Least Concern.

Taxonomic Classification

Rank	arroyo toad	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	Bufonidae	Aotidae
Genus	Anaxyrus	Aotus
Species	Anaxyrus californicus	Aotus nigriceps

Evolutionary Relationship

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

Conservation Status

arroyo toad

EN — Endangered

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	arroyo toad	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arroyo toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as 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.

arroyo toad

The Arroyo toad, Anaxyrus californicus, is a species. It is currently assessed as endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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.