Blackboard Tree vs Downy Emerald

Alstonia scholaris compared with Cordulia aenea

Taxonomic Classification

Rank	Blackboard Tree	Downy Emerald
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Gentianales (Gentianales)	Odonata (Odonata)
Family	Apocynaceae	Corduliidae
Genus	Alstonia	Cordulia
Species	Alstonia scholaris	Cordulia aenea

Conservation Status

Blackboard Tree

LC — Least Concern

Downy Emerald

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Downy Emerald
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.

Downy Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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.

Downy Emerald

Downy Emerald (Cordulia aenea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.