green hydra vs Red-billed Duck

Hydra viridissima compared with Anas erythrorhyncha

Key Differences

• green hydra is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	green hydra	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Chordata (Chordates)
Class	Hydrozoa (Hydrozoa)	Aves (Birds)
Order	Anthoathecata (Anthoathecata)	Anseriformes (Anseriformes)
Family	Hydridae	Anatidae
Genus	Hydra	Anas
Species	Hydra viridissima	Anas erythrorhyncha

Evolutionary Relationship

green hydra and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

green hydra

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	green hydra	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

green hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway