Javan tiger
Javan tiger
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Javan tiger

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Javan tiger

The Javan tiger was a Panthera tigris sondaica population native to the Indonesian island of Java. It was one of the three tiger populations that lived in the Sunda Islands during the last glacial period 110,000–12,000 years ago. It used to inhabit most of Java, but its natural habitat decreased continuously due to conversion for agricultural land use and infrastructure. By 1940, it had retreated to remote montane and forested areas. Since no evidence of a Javan tiger was found during several studies in the 1980s and 1990s, it was assessed as being extinct in 2008.

Felis tigris sondaicus was proposed by Coenraad Jacob Temminck in 1844 as a scientific name for the Javan tiger.

In 1929, the British taxonomist Reginald Innes Pocock subordinated the tiger under the genus Panthera using the scientific name Panthera tigris.

In 2017, the Cat Classification Task Force of the Cat Specialist Group revised felid taxonomy and now recognizes the Javan tiger together with the Sumatran tiger and the Bali tigers as one subspecies, P. t. sondaica.

Results of mitochondrial DNA analysis of 23 tiger samples from museum collections indicate that the tiger colonized the Sunda Islands during the last glacial period 110,000–12,000 years ago.

The Javan tiger was small compared to other subspecies of the Asian mainland, but larger than the Bali tiger, and similar in size to the Sumatran tiger. It usually had long and thin stripes, which were slightly more numerous than those of the Sumatran tiger. Its nose was long and narrow, the occipital plane remarkably narrow, and carnassials were relatively long. Based on these cranial differences, the Javan tiger was proposed to be assigned to a distinct species, with the taxonomic name Panthera sondaica. Male Javan tiger skulls are 326.3 ± 2.14 mm (12.846 ± 0.084 in) long, and those of females 282.7 ± 1.87 mm (11.130 ± 0.074 in).

Males had a mean body length of 248 cm (98 in) and weighed between 100 and 141 kg (220 and 311 lb). Females were smaller than males and weighed between 75 and 115 kg (165 and 254 lb). The smaller body size of the Javan tiger is attributed to Bergmann's rule and the size of the available prey species in Java, which are smaller than the deer and bovid species on the Asian mainland. However, the diameter of its tracks is larger than that of the Bengal tiger.

The Javan tiger was said to be strong enough to break the legs of horses or water buffaloes with its paws.

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