Cottontop Tamarin vs Mexican Violetear

Saguinus oedipus compared with Colibri thalassinus

Key Differences

• Cottontop Tamarin is Critically Endangered while Mexican Violetear is Least Concern.

Taxonomic Classification

Rank	Cottontop Tamarin	Mexican Violetear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Callitrichidae	Trochilidae
Genus	Saguinus	Colibri
Species	Saguinus oedipus	Colibri thalassinus

Evolutionary Relationship

Cottontop Tamarin and Mexican Violetear share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cottontop Tamarin

CR — Critically Endangered

Mexican Violetear

LC — Least Concern

Physical Characteristics

Attribute	Cottontop Tamarin	Mexican Violetear
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Mexican Violetear

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Mexican Violetear

A medium-sized, predominantly green hummingbird with a distinctive iridescent violet-blue ear patch and chest stripe, Mexican violetears inhabit highland and montane forests from Mexico south through Central America at elevations of 1,000–3,000 meters. Males are aggressive, highly vocal territory defenders and perform showy flight displays. They breed at high altitudes but some populations make seasonal altitudinal migrations. Among the most common hummingbirds in Mexican highland pine-oak and cloud forest habitats.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia