Alpine Sulphur-Tresses vs Corn Crake

Alectoria ochroleuca compared with Crex crex

Key Differences

Alpine Sulphur-Tresses is Least Concern while Corn Crake is Critically Endangered.

Taxonomic Classification

Rank	Alpine Sulphur-Tresses	Corn Crake
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecanorales (Lecanorales)	Gruiformes (Gruiformes)
Family	Parmeliaceae	Rallidae
Genus	Alectoria	Crex
Species	Alectoria ochroleuca	Crex crex

Conservation Status

Alpine Sulphur-Tresses

LC — Least Concern

Corn Crake

CR — Critically Endangered

Physical Characteristics

Attribute	Alpine Sulphur-Tresses	Corn Crake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Sulphur-Tresses

Habitat

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

Range

Distributed across Colombia, Norway, Sweden, and United States.

Corn Crake

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 (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alpine Sulphur-Tresses

The Alpine Sulphur-Tresses (Alectoria ochroleuca) is a species in the genus Alectoria. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region. Distributed across Colombia, Norway, Sweden, and United States.

Corn Crake

Corn Crake (Crex crex) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.