Adder’S-Mouth vs Amazon Black Howler

Malaxis bayardii compared with Alouatta nigerrima

Key Differences

• Adder’S-Mouth is Critically Endangered while Amazon Black Howler is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Amazon Black Howler
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Primates (Primates)
Family	Orchidaceae	Atelidae
Genus	Malaxis	Alouatta
Species	Malaxis bayardii	Alouatta nigerrima

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Amazon Black Howler

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Amazon Black Howler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and United States.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.