Boreal Digging Frog vs Brook Alder

Kaloula borealis compared with Alnus maritima

Key Differences

• Boreal Digging Frog is Least Concern while Brook Alder is Endangered.

Taxonomic Classification

Rank	Boreal Digging Frog	Brook Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Amphibia (Amphibians)	Magnoliopsida (Dicots)
Order	Anura (Frogs & Toads)	Fagales (Beeches & Oaks)
Family	Microhylidae	Betulaceae
Genus	Kaloula	Alnus
Species	Kaloula borealis	Alnus maritima

Conservation Status

Boreal Digging Frog

LC — Least Concern

Brook Alder

EN — Endangered

Physical Characteristics

Attribute	Boreal Digging Frog	Brook Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Digging Frog

Habitat

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

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Boreal Digging Frog

The Boreal Digging Frog (Kaloula borealis) is a species in the genus Kaloula. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

Brook Alder

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