Red-billed Duck vs Spiny Threadwort

Anas erythrorhyncha compared with Cephaloziella spinigera

Taxonomic Classification

Rank	Red-billed Duck	Spiny Threadwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Aves (Birds)	Jungermanniopsida (Jungermanniopsida)
Order	Anseriformes (Anseriformes)	Jungermanniales (Jungermanniales)
Family	Anatidae	Cephaloziellaceae
Genus	Anas	Cephaloziella
Species	Anas erythrorhyncha	Cephaloziella spinigera

Conservation Status

Red-billed Duck

LC — Least Concern

Spiny Threadwort

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Spiny Threadwort
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).

Spiny Threadwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, 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.