Blackboard Tree vs Common Raven

Alstonia scholaris compared with Corvus corax

Key Differences

Blackboard Tree is Least Concern while Common Raven is Not Evaluated.

Taxonomic Classification

Rank	Blackboard Tree	Common Raven
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Gentianales (Gentianales)	Passeriformes (Songbirds)
Family	Apocynaceae	Corvidae (Crows & Ravens)
Genus	Alstonia	Corvus (Crows & Ravens)
Species	Alstonia scholaris	Corvus corax

Conservation Status

Blackboard Tree

LC — Least Concern

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Physical Characteristics

Attribute	Blackboard Tree	Common Raven
Diet	—	Omnivore
Average Lifespan	—	15 years
Average Length	—	60 cm
Average Weight	—	1.2 kg

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.

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

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.

Common Raven

One of the most intelligent birds known, common ravens demonstrate problem-solving abilities rivaling great apes, including tool use, planning, and deceptive behavior. Found across the Northern Hemisphere from Arctic tundra to deserts, ravens are highly adaptable omnivores. They form complex social hierarchies, engage in cooperative foraging, and have been observed engaging in play. Their intelligence and black plumage have made them figures of mythology across many cultures.