Darwin s Nesoryzomys vs Large-crested Toad

Nesoryzomys darwini compared with Incilius cristatus

Key Differences

• Darwin s Nesoryzomys is Extinct while Large-crested Toad is Endangered.

Taxonomic Classification

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

Evolutionary Relationship

Darwin s Nesoryzomys and Large-crested Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Darwin s Nesoryzomys

EX — Extinct

Large-crested Toad

EN — Endangered

Physical Characteristics

Attribute	Darwin s Nesoryzomys	Large-crested Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.