Irrawaddy dolphin vs

Orcaella brevirostris compared with Rhizocarpon richardii

Key Differences

• Irrawaddy dolphin is Endangered while is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Cetacea (Whales & Dolphins)	Rhizocarpales (Rhizocarpales)
Family	Delphinidae (Oceanic Dolphins)	Rhizocarpaceae
Genus	Orcaella	Rhizocarpon
Species	Orcaella brevirostris	Rhizocarpon richardii

Conservation Status

Irrawaddy dolphin

EN — Endangered

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

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

Range

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

Rhizocarpon richardii is a crustose lichen that forms tightly adhered patches on siliceous rocks, typically displaying a pale greenish-grey to yellowish thallus divided by a dark prothallus. It inhabits exposed rocky outcrops, cliff faces, and boulders in montane and alpine zones across Europe and beyond. This saxicolous species is highly sensitive to atmospheric pollution.