Autumn fern vs Fahad Sayad (الفهد الصياد)

Dryopteris erythrosora compared with Acinonyx jubatus

Key Differences

Autumn fern is Not Evaluated while Fahad Sayad (الفهد الصياد) is Vulnerable.

Taxonomic Classification

Rank	Autumn fern	Fahad Sayad (الفهد الصياد)
Kingdom	Plantae (نباتات)	Animalia (حيوانات)
Phylum	Tracheophyta	Chordata (حبليات)
Class	Polypodiopsida (سراخس رقيقة المباغ)	Mammalia (ثدييات)
Order	Polypodiales (سرخسيات)	Carnivora (لواحم)
Family	Dryopteridaceae	Felidae (Cats)
Genus	Dryopteris	Acinonyx (Cheetahs)
Species	Dryopteris erythrosora	Acinonyx jubatus

Conservation Status

Autumn fern

NE — Not Evaluated

Fahad Sayad (الفهد الصياد)

VU — Vulnerable

Population: ~6.7K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Autumn fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

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.

Autumn fern

The Autumn fern (Dryopteris erythrosora) is a species in the genus Dryopteris. Typically found in moist, shaded forest floors and tropical canopies. Dryopteris erythrosora contributes to the biodiversity of its native ecosystems.

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.