brook lamprey vs Laysan Duck

Lampetra planeri compared with Anas laysanensis

Key Differences

brook lamprey is Vulnerable while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	brook lamprey	Laysan 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	Lampetra	Anas
Species	Lampetra planeri	Anas laysanensis

Evolutionary Relationship

brook lamprey and Laysan Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

brook lamprey

VU — Vulnerable

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	brook lamprey	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brook lamprey

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brook lamprey

The Brook Lamprey (Lampetra planeri) is a species in the genus Lampetra. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.