Polynesian Tree Snail vs Red-billed Duck

Partula dolorosa compared with Anas erythrorhyncha

Key Differences

• Polynesian Tree Snail is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Polynesian Tree Snail	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Stylommatophora (Stylommatophora)	Anseriformes (Anseriformes)
Family	Partulidae	Anatidae
Genus	Partula	Anas
Species	Partula dolorosa	Anas erythrorhyncha

Evolutionary Relationship

Polynesian Tree Snail and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Polynesian Tree Snail

EX — Extinct

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Polynesian Tree Snail	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Polynesian Tree Snail

Habitat

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

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.