Black-stemmed Goldendrop vs Bridge Roller

Onosma nigricaulis compared with Ancylis uncella

Key Differences

• Black-stemmed Goldendrop is Critically Endangered while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Black-stemmed Goldendrop	Bridge Roller
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Boraginales (Boraginales)	Lepidoptera (Butterflies & Moths)
Family	Boraginaceae	Tortricidae
Genus	Onosma	Ancylis
Species	Onosma nigricaulis	Ancylis uncella

Conservation Status

Black-stemmed Goldendrop

CR — Critically Endangered

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Black-stemmed Goldendrop	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-stemmed Goldendrop

Habitat

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

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Black-stemmed Goldendrop

The Black-stemmed Goldendrop (Onosma nigricaulis) is a species in the genus Onosma. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.