Black-Necked Grebe vs Harmless Serotine

Podiceps nigricollis compared with Eptesicus innoxius

Key Differences

• Black-Necked Grebe is Endangered while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Black-Necked Grebe	Harmless Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Podicipediformes (Podicipediformes)	Chiroptera (Bats)
Family	Podicipedidae	Vespertilionidae
Genus	Podiceps	Eptesicus
Species	Podiceps nigricollis	Eptesicus innoxius

Evolutionary Relationship

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

Conservation Status

Black-Necked Grebe

EN — Endangered

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Black-Necked Grebe	Harmless Serotine
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.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.