Black-Necked Grebe vs Brook-Side Alder

Podiceps nigricollis compared with Alnus serrulata

Key Differences

Black-Necked Grebe is Endangered while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Black-Necked Grebe	Brook-Side Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Podicipediformes (Podicipediformes)	Fagales (Beeches & Oaks)
Family	Podicipedidae	Betulaceae
Genus	Podiceps	Alnus
Species	Podiceps nigricollis	Alnus serrulata

Conservation Status

Black-Necked Grebe

EN — Endangered

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Black-Necked Grebe	Brook-Side Alder
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.

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

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.

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.