Mare'S Eggs vs Red-billed Duck

Nostoc pruniforme compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Mare'S Eggs	Red-billed Duck
Kingdom	Bacteria (Bacteria)	Animalia (Animals)
Phylum	Cyanobacteria (Cyanobacteria)	Chordata (Chordates)
Class	Cyanobacteriia	Aves (Birds)
Order	Cyanobacteriales	Anseriformes (Anseriformes)
Family	Nostocaceae	Anatidae
Genus	Nostoc	Anas
Species	Nostoc pruniforme	Anas erythrorhyncha

Conservation Status

Mare'S Eggs

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Mare'S Eggs	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mare'S Eggs

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway