The leopard, found lying in front of a house in Kamarajanagar with bleeding wounds on legs and abdomen, succumbed to her injuries while being taken for treatment by forest officials, police said.
Fight with another animal is suspected to be the cause of the death, they added.
Residents of Valparai town have been in the grip of panic since yesterday after the mutilated body of a goat was found in the town with pug marks in and around the area.