Perrin’s Beaked Whale vs

Mesoplodon perrini compared with Rhizocarpon oederi

Key Differences

• Perrin’s Beaked Whale is Endangered while is Extinct.

Taxonomic Classification

Rank	Perrin’s Beaked Whale
Kingdom	Animalia (प्राणी)	Fungi (फफूंद)
Phylum	Chordata (रज्जुकी)	Ascomycota (पुट कवक)
Class	Mammalia (स्तनधारी)	Lecanoromycetes (Lecanoromycetes)
Order	Cetacea (Whales & Dolphins)	Rhizocarpales (Rhizocarpales)
Family	Hyperoodontidae	Rhizocarpaceae
Genus	Mesoplodon	Rhizocarpon
Species	Mesoplodon perrini	Rhizocarpon oederi

Conservation Status

Perrin’s Beaked Whale

EN — Endangered

EX — Extinct

Physical Characteristics

Attribute	Perrin’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Perrin’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Rhizocarpon oederi is a crustose lichen historically recorded on siliceous rocks across parts of Europe and North America. It is now classified as Extinct (EX) on the IUCN Red List, representing one of the few lichen species confirmed to have been lost. Its disappearance is attributed to habitat destruction, air pollution, and the very specific microhabitat requirements that made it vulnerable.