The one-year-old female leopard cub was found dead by villagers in a field yesterday, said D K Singh, Divisional Forest Officer (DFO) of Kedarnath.
A postmortem has found contaminated meat of a monkey in the leopard`s stomach, suggesting that it died of food poisoning, he said.
Meanwhile, a forest department team yesterday arrested a man called Khankaru for allegedly possessing a leopard skin at Mori area of Uttarkashi district.