Bilberry Roller vs Crested Shelduck

Ancylis myrtillana compared with Tadorna cristata

Key Differences

• Bilberry Roller is Least Concern while Crested Shelduck is Critically Endangered.

Taxonomic Classification

Rank	Bilberry Roller	Crested Shelduck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Tortricidae	Anatidae
Genus	Ancylis	Tadorna
Species	Ancylis myrtillana	Tadorna cristata

Evolutionary Relationship

Bilberry Roller and Crested Shelduck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bilberry Roller

LC — Least Concern

Crested Shelduck

CR — Critically Endangered

Physical Characteristics

Attribute	Bilberry Roller	Crested Shelduck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bilberry Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Crested Shelduck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bilberry Roller

The Bilberry Roller (Ancylis myrtillana) 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 1 countries:

🇳🇴 Norway