Dark Gray Boulder Lichen vs Giant Otter

Porpidia cinereoatra compared with Pteronura brasiliensis

Key Differences

• Dark Gray Boulder Lichen is Near Threatened while Giant Otter is Endangered.

Taxonomic Classification

Rank	Dark Gray Boulder Lichen	Giant Otter
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecideales (Lecideales)	Carnivora (Carnivorans)
Family	Lecideaceae	Mustelidae (Weasels & Otters)
Genus	Porpidia	Pteronura
Species	Porpidia cinereoatra	Pteronura brasiliensis

Conservation Status

Dark Gray Boulder Lichen

NT — Near Threatened

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Dark Gray Boulder Lichen	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Gray Boulder Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.