Black-Necked Grebe vs Bridge Roller

Podiceps nigricollis compared with Ancylis uncella

Key Differences

• Black-Necked Grebe is Endangered while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Black-Necked Grebe	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Podicipediformes (Podicipediformes)	Lepidoptera (Butterflies & Moths)
Family	Podicipedidae	Tortricidae
Genus	Podiceps	Ancylis
Species	Podiceps nigricollis	Ancylis uncella

Evolutionary Relationship

Black-Necked Grebe and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Necked Grebe

EN — Endangered

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Black-Necked Grebe	Bridge Roller
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.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden