Humboldt's Squirrel Monkey vs Rufous-tailed Hummingbird

Saimiri cassiquiarensis compared with Amazilia tzacatl

Key Differences

• Humboldt's Squirrel Monkey is Near Threatened while Rufous-tailed Hummingbird is Least Concern.

Taxonomic Classification

Rank	Humboldt's Squirrel Monkey	Rufous-tailed Hummingbird
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Cebidae	Trochilidae
Genus	Saimiri	Amazilia
Species	Saimiri cassiquiarensis	Amazilia tzacatl

Evolutionary Relationship

Humboldt's Squirrel Monkey and Rufous-tailed Hummingbird share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Humboldt's Squirrel Monkey

NT — Near Threatened

Rufous-tailed Hummingbird

LC — Least Concern

Physical Characteristics

Attribute	Humboldt's Squirrel Monkey	Rufous-tailed Hummingbird
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Rufous-tailed Hummingbird

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous-tailed Hummingbird

One of the most common hummingbirds in Central America and northwestern South America, rufous-tailed hummingbirds are medium-sized with green upper parts and a diagnostic bright rufous-orange tail. Found from Mexico to Ecuador and Trinidad in a wide range of habitats including forest edges, gardens, plantations, and secondary growth from sea level to 2,100 meters. Aggressive territory defenders at feeders and flowering plants, they are frequently seen in gardens across their range. Listed as Least Concern.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador