1. Bali Tiger (Panthera tigris balica)
Region: The island of Bali, Indonesia
Extinction Date: The last confirmed sighting was in the late 1930s. The subspecies is believed to have become extinct shortly after, around 1937.
Details: The Bali tiger was the smallest of the tiger subspecies. It became extinct due to habitat loss caused by agricultural development, hunting for sport and for their pelts, and a limited range confined to the small island of Bali.
2. Caspian Tiger (Panthera tigris virgata)
Region: Iran, Turkey, Central Asia (including Uzbekistan, Kazakhstan, and the surrounding regions), and the Caucasus
Extinction Date: The Caspian tiger was declared extinct in the 1970s, with the last reliable reports of sightings occurring in the late 1950s.
Details: This subspecies inhabited forested areas and riverine corridors in the region. The main causes of its extinction were extensive hunting, habitat degradation due to agricultural expansion, and loss of prey species.
3. Javan Tiger (Panthera tigris sondaica)
Region: The island of Java, Indonesia
Extinction Date: The Javan tiger was declared extinct in the 1970s, with the last confirmed sighting in 1972.
Details: The Javan tiger lived in the dense tropical forests of Java. The primary reasons for its extinction were deforestation for agricultural purposes, human population growth on the island, and hunting. The limited range of this subspecies made it especially vulnerable to these pressures.