arroyo toad vs Bridge Roller

Anaxyrus californicus compared with Ancylis uncella

Key Differences

• arroyo toad is Endangered while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	arroyo toad	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Amphibia (Amphibians)	Insecta (Insects)
Order	Anura (Frogs & Toads)	Lepidoptera (Butterflies & Moths)
Family	Bufonidae	Tortricidae
Genus	Anaxyrus	Ancylis
Species	Anaxyrus californicus	Ancylis uncella

Evolutionary Relationship

arroyo toad and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arroyo toad

EN — Endangered

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	arroyo toad	Bridge Roller
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.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.