Birch Marble vs Brown Ear

Apotomis betuletana compared with Otidea cochleata

Key Differences

• Birch Marble is Least Concern while Brown Ear is Vulnerable.

Taxonomic Classification

Rank	Birch Marble	Brown Ear
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Ascomycota (Sac Fungi)
Class	Insecta (Insects)	Pezizomycetes (Pezizomycetes)
Order	Lepidoptera (Butterflies & Moths)	Pezizales (Pezizales)
Family	Tortricidae	Otideaceae
Genus	Apotomis	Otidea
Species	Apotomis betuletana	Otidea cochleata

Conservation Status

Birch Marble

LC — Least Concern

Brown Ear

VU — Vulnerable

Physical Characteristics

Attribute	Birch Marble	Brown Ear
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

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.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden