Ánade de Laysán vs Polymorphic Robber Frog

Anas laysanensis compared with Craugastor rhodopis

Key Differences

• Ánade de Laysán is Critically Endangered while Polymorphic Robber Frog is Least Concern.

Taxonomic Classification

Rank	Ánade de Laysán	Polymorphic Robber Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Anseriformes (Anseriformes)	Anura (Frogs & Toads)
Family	Anatidae	Craugastoridae
Genus	Anas	Craugastor
Species	Anas laysanensis	Craugastor rhodopis

Evolutionary Relationship

Ánade de Laysán and Polymorphic Robber Frog share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Ánade de Laysán

CR — Critically Endangered

Polymorphic Robber Frog

LC — Least Concern

Physical Characteristics

Attribute	Ánade de Laysán	Polymorphic Robber Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ánade de Laysán

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.

Polymorphic Robber Frog

Habitat

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

Range

Found in Mexico.

Ánade de Laysán

El Pato de Laysan (Anas laysanensis) está clasificado como En Peligro Crítico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extinción en estado silvestre debido a la grave disminución de su población y la pérdida de hábitat.