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The Afro-Asiatic wildcat, Felis lybica, is a wild species of Felis distributed across much of Africa and parts of Asia. The Cat Specialist Group distinguishes it from the European wildcat, Felis silvestris, and the domestic cat, Felis catus. Some older work treated these regional wildcats as subspecies of a more broadly defined Felis silvestris.^[ref]

Its relationship to domestication has been investigated genetically. The 2007 comparison of domestic and wild cats found close clustering of domestic samples with sampled Near Eastern wildcats, rather than with every wildcat population equally. In that paper, the relevant lineage was named within the older subspecies scheme.^[ref]

This supports a particular ancestry relationship in the sample; it does not make a present-day Afro-Asiatic wildcat simply a lost pet. A feral cat is a domestic-lineage animal living independently of direct care. Current behavior and genetic ancestry should therefore be recorded separately when studying encounters or hybridization between the populations.

The European wildcat, Felis silvestris, is a wild species of Felis associated with European and neighboring forest populations. In the Cat Specialist Group's classification it is distinct from the Afro-Asiatic wildcat and the domestic cat. The common word wildcat in older literature can refer to a broader collection of regional lineages, so the scientific name must be read in context.^[ref]

Hybridization with domestic cats complicates identification. Nuclear genetic markers and DNA inherited through mitochondria need not tell exactly the same ancestry story. The 2007 wildcat comparison explicitly marked individuals whose nuclear clustering and mitochondrial lineage differed. That makes a single coat pattern or one inherited marker an incomplete account of ancestry.^[ref]

For an illustrative comparison, two striped cats could have similar appearance while differing in their inherited marker combinations. Appearance remains useful for observing animals, but testing population ancestry requires a stated set of markers, reference samples and classification criteria. Geographic location alone is also insufficient to turn every free-living domestic cat into a European wildcat.

Felis is a taxonomic genus within Felidae, the cat family in Carnivora. It includes the domestic cat and several small wild species, including the European wildcat and Afro-Asiatic wildcat. Thus Felis is broader than the domestic species Felis catus but narrower than the entire family of cats.^[ref]

This hierarchy makes an identification example useful. A specimen identified only as Felis has been assigned to a taxonomic genus, not necessarily identified as a domestic cat. Conversely, a cat does not leave Felis when it begins living independently of people. Taxonomic membership and current living conditions answer different questions.

The distinction also matters when comparing DNA. Regional wildcat lineages can share close ancestry and undergo hybridization without every comparison using the same species boundaries. A study's names should be interpreted with its stated classification and sampling, especially when older accounts placed several lineages within one broad wildcat species.

A feral cat is a domestic cat living outside direct human care. In ecological usage, independence from provisioning is central; other classifications also emphasize lack of socialization to people. The category describes a living condition and relationship with humans, rather than a separate species. A feral cat remains distinct from the naturally wild European wildcat or Afro-Asiatic wildcat.

Definitions should be stated explicitly. SPCA New Zealand distinguishes self-sustaining feral cats from stray cats that still depend to some extent on people, even when no person owns them. Thus unowned, unsocial and independent are not interchangeable observations.^[ref]

Movement measurements provide an ecological example. A 2011 study used radio telemetry and collar-mounted activity sensors to compare owned and unowned free-roaming domestic cats near an Illinois city. Unowned animals had larger home ranges and greater activity in the reported sample. The study's operational category was ownership status; that should not silently be substituted for every stricter definition of feral cat.^[ref]

A collar record measures where an animal moves; it does not by itself reveal its complete feeding history, social experience or inherited ancestry. Combining these observations produces a more useful biological description than assigning the category from one sighting.

A wildcat in the narrower zoological usage is one of the closely related wild Felis lineages resembling the domestic cat. Current Cat Specialist Group taxonomy distinguishes the European wildcat, Felis silvestris, from the Afro-Asiatic wildcat, Felis lybica, and from the domestic cat, Felis catus. Older literature sometimes grouped several of these lineages within a broadly defined Felis silvestris. A feral cat is a free-living domestic cat, so living without human care does not alone identify an animal as a wildcat.^[ref]

Genetic markers can investigate ancestry beyond outward resemblance. A 2007 study by Carlos A. Driscoll and collaborators assessed 979 domestic and wild cats, comparing microsatellites and DNA sequences from mitochondria. The sampled domestic lineages clustered closely with Near Eastern wildcats. The paper's own subspecies names should be read in its historical classification, rather than silently replaced with a modern species list.^[ref]

The comparison separates two questions: what ancestry the sampled animals share, and what taxonomic rank to assign each lineage. Hybridization with domestic cats can further complicate identification, making one coat pattern or one inherited marker an incomplete description of an individual animal.