blue whale vs Common Freckle Pelt Lichen

Balaenoptera musculus compared with Peltigera aphthosa

Key Differences

• blue whale is Vulnerable while Common Freckle Pelt Lichen is Extinct.

Taxonomic Classification

Rank	blue whale	Common Freckle Pelt Lichen
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Ascomycota (فطريات زقية)
Class	Mammalia (ثدييات)	Lecanoromycetes (لقنورانية)
Order	Cetacea (Whales & Dolphins)	Peltigerales (Peltigerales)
Family	Balaenopteridae (Rorquals)	Peltigeraceae
Genus	Balaenoptera (Rorquals)	Peltigera
Species	Balaenoptera musculus	Peltigera aphthosa

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Common Freckle Pelt Lichen

EX — Extinct

Physical Characteristics

Attribute	blue whale	Common Freckle Pelt Lichen
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

blue whale

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Freckle Pelt Lichen

Habitat

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

Range

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

blue whale

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.

Common Freckle Pelt Lichen

<em>Peltigera aphthosa</em> is a foliose lichen in the family Peltigeraceae, order Peltigerales, commonly known as common freckle pelt or speckled felt lichen. This species holds the conservation status of Extinct on the IUCN Red List, representing a serious loss of biodiversity. <em>Peltigera aphthosa</em> has been recorded in Denmark, Norway, Sweden, and the United States. Historically, this lichen grew in cool, humid environments including boreal and montane forests, typically on mossy ground, rocks, and tree bases in old-growth habitats. Like other members of the genus Peltigera, <em>Peltigera aphthosa</em> is a tripartite lichen containing a cyanobacterial photobiont (providing nitrogen fixation) in addition to the primary green algal photobiont and fungal mycobiont, making it an ecologically significant contributor to nutrient cycling. Its large, lobed thallus was characterized by distinctive dark cephalodia — wart-like structures housing the nitrogen-fixing cyanobacteria. The extinction of this species underscores the vulnerability of lichens to habitat degradation, air pollution, and climate change. Biological traits of this species remain poorly documented in the scientific literature.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden