Aspen Roller vs Brown Ear

Ancylis laetana compared with Otidea cochleata

Key Differences

Aspen Roller is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Aspen Roller	Brown Ear
Kingdom	Animalia (动物界)	Fungi (真菌界)
Phylum	Arthropoda (节肢动物门)	Ascomycota (子囊菌门)
Class	Insecta (昆蟲綱)	Pezizomycetes (盘菌纲)
Order	Lepidoptera (鱗翅目)	Pezizales (盤菌目)
Family	Tortricidae	Otideaceae
Genus	Ancylis	Otidea
Species	Ancylis laetana	Otidea cochleata

Conservation Status

Aspen Roller

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Aspen Roller	Brown Ear
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Brown Ear

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Aspen Roller

The Aspen Roller (Ancylis laetana) 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. Distributed across Belgium, Denmark, Norway, and Sweden.

Brown Ear

The Brown Ear (Otidea cochleata) is a species in the genus Otidea. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.