Far Eastern Brook Lamprey vs Red-billed Duck

Lethenteron reissneri compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Aves (Birds)
Order	Petromyzontiformes (lamprey)	Anseriformes (Anseriformes)
Family	Petromyzontidae	Anatidae
Genus	Lethenteron	Anas
Species	Lethenteron reissneri	Anas erythrorhyncha

Evolutionary Relationship

Far Eastern Brook Lamprey and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

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.