Boreal Button Lichen vs Fahad Sayad (الفهد الصياد)

Buellia disciformis compared with Acinonyx jubatus

Key Differences

Boreal Button Lichen is Critically Endangered while Fahad Sayad (الفهد الصياد) is Vulnerable.

Taxonomic Classification

Rank	Boreal Button Lichen	Fahad Sayad (الفهد الصياد)
Kingdom	Fungi (فطر)	Animalia (حيوانات)
Phylum	Ascomycota (فطريات زقية)	Chordata (حبليات)
Class	Lecanoromycetes (لقنورانية)	Mammalia (ثدييات)
Order	Caliciales (Caliciales)	Carnivora (لواحم)
Family	Caliciaceae	Felidae (Cats)
Genus	Buellia	Acinonyx (Cheetahs)
Species	Buellia disciformis	Acinonyx jubatus

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Fahad Sayad (الفهد الصياد)

VU — Vulnerable

Population: ~6.7K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Boreal Button Lichen	Fahad Sayad (الفهد الصياد)
Diet	—	Carnivore
Average Lifespan	—	12 years
Average Length	—	1.5 m
Average Weight	—	50.0 kg

Habitat & Geographic Range

Boreal Button Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Fahad Sayad (الفهد الصياد)

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 9 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Botswana, Iran, Kenya, Namibia, and Tanzania. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Boreal Button Lichen

The Boreal Button Lichen (Buellia disciformis) is a species in the genus Buellia. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Fahad Sayad (الفهد الصياد)

The fastest land animal on Earth, reaching speeds of 112 km/h over short distances across African and Iranian grasslands. Slender build with a deep chest, long legs, and distinctive black tear-stripe markings. Unlike other big cats, cheetahs vocalize with chirps and purrs. Vulnerable, with only ~7,000 remaining due to habitat fragmentation and competition with larger predators.