California alder vs Polynesian Tree Snail

Alnus rhombifolia compared with Samoana attenuata

Key Differences

• California alder is Least Concern while Polynesian Tree Snail is Critically Endangered.

Taxonomic Classification

Rank	California alder	Polynesian Tree Snail
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Magnoliopsida (Dicots)	Gastropoda (Gastropoda)
Order	Fagales (Beeches & Oaks)	Stylommatophora (Stylommatophora)
Family	Betulaceae	Partulidae
Genus	Alnus	Samoana
Species	Alnus rhombifolia	Samoana attenuata

Conservation Status

California alder

LC — Least Concern

Polynesian Tree Snail

CR — Critically Endangered

Physical Characteristics

Attribute	California alder	Polynesian Tree Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

California alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada.

Polynesian Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.