Big-footed Thorius vs Brook-Side Alder

Thorius magnipes compared with Alnus serrulata

Key Differences

• Big-footed Thorius is Critically Endangered while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Big-footed Thorius	Brook-Side Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Amphibia (Amphibians)	Magnoliopsida (Dicots)
Order	Caudata (Caudata)	Fagales (Beeches & Oaks)
Family	Plethodontidae	Betulaceae
Genus	Thorius	Alnus
Species	Thorius magnipes	Alnus serrulata

Conservation Status

Big-footed Thorius

CR — Critically Endangered

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Big-footed Thorius	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-footed Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Brook-Side Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

Big-footed Thorius

The Big-footed Thorius (Thorius magnipes) is a species in the genus Thorius. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.