Cay Sua vs Dark Roller

Alstonia scholaris compared with Ancylis upupana

Key Differences

• Cay Sua is Least Concern while Dark Roller is Near Threatened.

Taxonomic Classification

Rank	Cay Sua	Dark Roller
Kingdom	Plantae (thực vật)	Animalia (động vật)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (động vật Chân khớp)
Class	Magnoliopsida (Dicots)	Insecta (côn trùng)
Order	Gentianales (Bộ Long đởm)	Lepidoptera (bộ Cánh vảy)
Family	Apocynaceae	Tortricidae
Genus	Alstonia	Ancylis
Species	Alstonia scholaris	Ancylis upupana

Conservation Status

Cay Sua

LC — Least Concern

Dark Roller

NT — Near Threatened

Physical Characteristics

Attribute	Cay Sua	Dark Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cay Sua

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.

Dark Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cay Sua

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.