thick-lipped risso snail vs Yellow-billed Pintail

Rissoa membranacea compared with Anas georgica

Key Differences

• thick-lipped risso snail is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	thick-lipped risso snail	Yellow-billed Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Littorinimorpha (Littorinimorpha)	Anseriformes (Anseriformes)
Family	Rissoidae	Anatidae
Genus	Rissoa	Anas
Species	Rissoa membranacea	Anas georgica

Evolutionary Relationship

thick-lipped risso snail and Yellow-billed Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

thick-lipped risso snail

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	thick-lipped risso snail	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

thick-lipped risso snail

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway