Laysan Duck vs Marsh frog

Anas laysanensis compared with Pelophylax ridibundus

Key Differences

Laysan Duck is Critically Endangered while Marsh frog is Least Concern.

Taxonomic Classification

Rank	Laysan Duck	Marsh frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Anseriformes (Anseriformes)	Anura (Frogs & Toads)
Family	Anatidae	Ranidae
Genus	Anas	Pelophylax
Species	Anas laysanensis	Pelophylax ridibundus

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Laysan Duck

CR — Critically Endangered

Marsh frog

LC — Least Concern

Physical Characteristics

Attribute	Laysan Duck	Marsh frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Marsh frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (12 countries).

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.

Marsh frog

Marsh frog (Pelophylax ridibundus) 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.