I say, and with God's success: The predatory animals: like the leopard, the wolf, the hyena, the tiger, the lion, and the monkey, their residuals are impure with a severe impurity, and it is not permissible to purify with them in any case, nor should they be consumed except in necessity; because their saliva is derived from their flesh, which is impure like their milk. Refer to: Maraqi al-Falah, p. 30, and God knows best.