Yaso (Ali Gala 3:4 Female 1, YF 06) is a female leopard of Yala National Park; “Yaso” is a name used by Yala trackers and the Leopard Trails team. First photographed as a mature female in July 2014 on the Akasa Chethiya road, she lived around Ali Gala, Akasa Chethiya and Sathmaga, and is the mother of Sandy and Mandy.