Blackboard Tree vs Sandwich Tern

Alstonia scholaris compared with Thalasseus sandvicensis

Taxonomic Classification

Rank	Blackboard Tree	Sandwich Tern
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Gentianales (Gentianales)	Charadriiformes (Charadriiformes)
Family	Apocynaceae	Laridae
Genus	Alstonia	Thalasseus
Species	Alstonia scholaris	Thalasseus sandvicensis

Conservation Status

Blackboard Tree

LC — Least Concern

Sandwich Tern

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Sandwich Tern
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.

Sandwich Tern

Habitat

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

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

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.

Sandwich Tern

Sandwich Tern (Thalasseus sandvicensis) 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.