Black-Necked Grebe vs Cascade Frog

Podiceps nigricollis compared with Amolops monticola

Key Differences

• Black-Necked Grebe is Endangered while Cascade Frog is Least Concern.

Taxonomic Classification

Rank	Black-Necked Grebe	Cascade Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Podicipediformes (Podicipediformes)	Anura (Frogs & Toads)
Family	Podicipedidae	Ranidae
Genus	Podiceps	Amolops
Species	Podiceps nigricollis	Amolops monticola

Evolutionary Relationship

Black-Necked Grebe and Cascade Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-Necked Grebe

EN — Endangered

Cascade Frog

LC — Least Concern

Physical Characteristics

Attribute	Black-Necked Grebe	Cascade Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Necked Grebe

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Cascade Frog

Habitat

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

Black-Necked Grebe

Black-Necked Grebe (Podiceps nigricollis) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Cascade Frog

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