The relationship of the cheetah to the jaguarundi is still being debated. A 24-base pair deletion causes the incompletely dominant allele for melanism in the jaguarundi. Habitat loss is the main reason for the increase in mortality for the jaguarundi. Other species include the cougar, jaguarundi, margay, and ocelot. The Gulf Coast jaguarundi is a population of the jaguarundi ("Herpailurus yagouaroundi"). Predators except humans include jaguar, puma, ocelot, margay, jaguarundi, bush dog, boa constrictor, and caiman. Several cat species are also present&colon; jaguarundi, ocelot, cougar and jaguar. Phylogeographical analysis of jaguarundi samples from across its range found no genetic evidence for subspecies. The cheetah's closest relatives are the cougar ("Puma concolor") and the jaguarundi ("Herpailurus yagouaroundi"). The jaguarundi (, binomial name&colon; "Herpailurus yagouaroundi") is a wild cat native to the Americas. In the jaguarundi, coloration varies from dark brown and gray to light reddish. The jaguarundi has a total of 30 teeth; the dental formula is . The jaguarundi is most closely related to the cougar and cheetah. The jaguarundi is fairly common in Brazil, Peru and Venezuela. The generic name "Herpailurus" was proposed by Nikolai Severtzov in 1858 for the jaguarundi.