Red-billed Duck vs thin-necked bladderworm

Anas erythrorhyncha compared with Taenia hydatigena

Key Differences

• Red-billed Duck is Least Concern while thin-necked bladderworm is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	thin-necked bladderworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Platyhelminthes (Platyhelminthes)
Class	Aves (Birds)	Cestoda (Cestoda)
Order	Anseriformes (Anseriformes)	Cyclophyllidea (Cyclophyllidea)
Family	Anatidae	Taeniidae
Genus	Anas	Taenia
Species	Anas erythrorhyncha	Taenia hydatigena

Evolutionary Relationship

Red-billed Duck and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	thin-necked bladderworm
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway