bare-eared squirrel monkey vs Scarlet Macaw

Saimiri ustus compared with Ara macao

Key Differences

• bare-eared squirrel monkey is Near Threatened while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	bare-eared squirrel monkey	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Psittaciformes (Parrots)
Family	Cebidae	Psittacidae (True Parrots)
Genus	Saimiri	Ara (Macaws)
Species	Saimiri ustus	Ara macao

Evolutionary Relationship

bare-eared squirrel monkey and Scarlet Macaw share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

bare-eared squirrel monkey

NT — Near Threatened

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	bare-eared squirrel monkey	Scarlet Macaw
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

Habitat & Geographic Range

bare-eared squirrel monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

bare-eared squirrel monkey

The Bare-eared squirrel monkey (Saimiri ustus) is a species in the genus Saimiri. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Scarlet Macaw

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.