arroyo toad vs pato-de-laysan

Anaxyrus californicus compared with Anas laysanensis

Key Differences

• arroyo toad is Endangered while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	arroyo toad	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Amphibia (Anfíbios)	Aves (ave)
Order	Anura (Frogs & Toads)	Anseriformes (Anseriformes)
Family	Bufonidae	Anatidae
Genus	Anaxyrus	Anas
Species	Anaxyrus californicus	Anas laysanensis

Evolutionary Relationship

arroyo toad and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

arroyo toad

EN — Endangered

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	arroyo toad	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arroyo toad

Habitat

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

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

pato-de-laysan

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.

arroyo toad

The Arroyo toad, Anaxyrus californicus, is a species. It is currently assessed as endangered on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.