Achallo vs Black-Necked Grebe

Chinchillula sahamae compared with Podiceps nigricollis

Key Differences

• Achallo is Least Concern while Black-Necked Grebe is Endangered.

Taxonomic Classification

Rank	Achallo	Black-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Podicipediformes (Podicipediformes)
Family	Cricetidae	Podicipedidae
Genus	Chinchillula	Podiceps
Species	Chinchillula sahamae	Podiceps nigricollis

Evolutionary Relationship

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

Conservation Status

Achallo

LC — Least Concern

Black-Necked Grebe

EN — Endangered

Physical Characteristics

Attribute	Achallo	Black-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Achallo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Achallo

The Achallo (Chinchillula sahamae) is a species in the genus Chinchillula. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits diverse terrestrial and aquatic ecosystems.

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.