Amazon Black Howler vs Corn Crake

Alouatta nigerrima compared with Crex crex

Key Differences

• Amazon Black Howler is Least Concern while Corn Crake is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Corn Crake
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Gruiformes (Gruiformes)
Family	Atelidae	Rallidae
Genus	Alouatta	Crex
Species	Alouatta nigerrima	Crex crex

Evolutionary Relationship

Amazon Black Howler and Corn Crake share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Corn Crake

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Corn Crake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Corn Crake

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Corn Crake

Corn Crake (Crex crex) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.