red ribbon worm vs White-cheeked Pintail

Lineus ruber compared with Anas bahamensis

Key Differences

• red ribbon worm is Not Evaluated while White-cheeked Pintail is Least Concern.

Taxonomic Classification

Rank	red ribbon worm	White-cheeked Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nemertea (Nemertea)	Chordata (Chordates)
Class	Pilidiophora (Pilidiophora)	Aves (Birds)
Order	Heteronemertea (Heteronemertea)	Anseriformes (Anseriformes)
Family	Lineidae	Anatidae
Genus	Lineus	Anas
Species	Lineus ruber	Anas bahamensis

Evolutionary Relationship

red ribbon worm and White-cheeked Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

red ribbon worm

NE — Not Evaluated

White-cheeked Pintail

LC — Least Concern

Physical Characteristics

Attribute	red ribbon worm	White-cheeked Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

red ribbon worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

White-cheeked Pintail

Habitat

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

Range

Widely distributed across Asia (Israel), Europe (9 countries), and South America (Colombia, Ecuador, Venezuela).

White-cheeked Pintail

White-cheeked Pintail (Anas bahamensis) 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden