Blistered Rock Tripe vs Red-billed Duck

Umbilicaria hyperborea compared with Anas erythrorhyncha

Key Differences

• Blistered Rock Tripe is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Blistered Rock Tripe	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Umbilicariales (Umbilicariales)	Anseriformes (Anseriformes)
Family	Umbilicariaceae	Anatidae
Genus	Umbilicaria	Anas
Species	Umbilicaria hyperborea	Anas erythrorhyncha

Conservation Status

Blistered Rock Tripe

EX — Extinct

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Blistered Rock Tripe	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blistered Rock Tripe

Habitat

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

Range

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

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Blistered Rock Tripe

The Blistered Rock Tripe (Umbilicaria hyperborea) is a species in the genus Umbilicaria. It is currently classified as Extinct on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway