Large-crested Toad vs Olive-gray Thomasomys

Incilius cristatus compared with Thomasomys cinereus

Key Differences

• Large-crested Toad is Endangered while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Large-crested Toad	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Rodentia (Rodents)
Family	Bufonidae	Cricetidae
Genus	Incilius	Thomasomys
Species	Incilius cristatus	Thomasomys cinereus

Evolutionary Relationship

Large-crested Toad and Olive-gray Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Large-crested Toad

EN — Endangered

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Large-crested Toad	Olive-gray Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large-crested 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.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.