Blistered Cup vs Laysan Duck

Peziza vesiculosa compared with Anas laysanensis

Key Differences

Blistered Cup is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Blistered Cup	Laysan Duck
Kingdom	Fungi (เห็ดรา)	Animalia (สัตว์)
Phylum	Ascomycota (Sac Fungi)	Chordata (สัตว์มีแกนสันหลัง)
Class	Pezizomycetes (Pezizomycetes)	Aves (นก)
Order	Pezizales (Pezizales)	Anseriformes (อันดับห่าน)
Family	Pezizaceae	Anatidae
Genus	Peziza	Anas
Species	Peziza vesiculosa	Anas laysanensis

Conservation Status

Blistered Cup

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Blistered Cup	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blistered Cup

Habitat

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

Range

Distributed across Belgium, Norway, Portugal, Sweden, and United States.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Blistered Cup

The Blistered Cup (Peziza vesiculosa) is a species in the genus Peziza. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Laysan Duck

Laysan Duck (Anas laysanensis) 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.