Grey worm vs Lion

Aporrectodea caliginosa compared with Panthera leo

Key Differences

• Grey worm is Not Evaluated while Lion is Vulnerable.

Taxonomic Classification

Rank	Grey worm	Lion
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Annelida (Halkalı solucanlar)	Chordata (Kordalılar)
Class	Clitellata (Clitellata)	Mammalia (memeliler)
Order	Crassiclitellata (Crassiclitellata)	Carnivora (etçiller)
Family	Lumbricidae	Felidae (Cats)
Genus	Aporrectodea	Panthera (Big Cats)
Species	Aporrectodea caliginosa	Panthera leo

Evolutionary Relationship

Grey worm and Lion share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

Grey worm

NE — Not Evaluated

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Grey worm	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

Grey worm

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (South Africa), Asia (Taiwan), Europe (5 countries), and North America (United States).

Lion

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 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Lion

The largest wild cat in Africa, lions reach up to 250 kg and are the only social felids, living in prides across sub-Saharan savannas and grasslands. Males are distinguished by their iconic manes. As apex predators, they regulate herbivore populations and maintain ecosystem balance. Listed as Vulnerable due to habitat loss and human-wildlife conflict.