Blackboard Tree vs Humboldt's Squirrel Monkey

Alstonia scholaris compared with Saimiri cassiquiarensis

Key Differences

• Blackboard Tree is Least Concern while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Blackboard Tree	Humboldt's Squirrel Monkey
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Gentianales (Gentianales)	Primates (Primates)
Family	Apocynaceae	Cebidae
Genus	Alstonia	Saimiri
Species	Alstonia scholaris	Saimiri cassiquiarensis

Conservation Status

Blackboard Tree

LC — Least Concern

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Blackboard Tree	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

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.

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.