Blackhead worm vs Fahad Sayad (الفهد الصياد)

Aporrectodea longa compared with Acinonyx jubatus

Key Differences

• Blackhead worm is Not Evaluated while Fahad Sayad (الفهد الصياد) is Vulnerable.

Taxonomic Classification

Rank	Blackhead worm	Fahad Sayad (الفهد الصياد)
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Annelida (حلقيات)	Chordata (حبليات)
Class	Clitellata (سرجيات)	Mammalia (ثدييات)
Order	Crassiclitellata (Crassiclitellata)	Carnivora (لواحم)
Family	Lumbricidae	Felidae (Cats)
Genus	Aporrectodea	Acinonyx (Cheetahs)
Species	Aporrectodea longa	Acinonyx jubatus

Evolutionary Relationship

Blackhead worm and Fahad Sayad (الفهد الصياد) share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Blackhead worm

NE — Not Evaluated

Fahad Sayad (الفهد الصياد)

VU — Vulnerable

Population: ~6.7K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Blackhead worm

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and 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.

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.