River Lamprey vs Yellow-billed Pintail

Lampetra ayresii compared with Anas georgica

Key Differences

• River Lamprey is Least Concern while Yellow-billed Pintail is Endangered.

Taxonomic Classification

Rank	River Lamprey	Yellow-billed Pintail
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	Lampetra	Anas
Species	Lampetra ayresii	Anas georgica

Evolutionary Relationship

River Lamprey and Yellow-billed Pintail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

River Lamprey

LC — Least Concern

Yellow-billed Pintail

EN — Endangered

Physical Characteristics

Attribute	River Lamprey	Yellow-billed Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

River Lamprey

Yellow-billed Pintail

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Pintail

Yellow-billed Pintail (Anas georgica) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.