Jeremiah 5:6; Jeremiah 13:23

Jeremiah 5:6

6 Therefore a lion from the forest will slay them, A wolf of the deserts will destroy them, A leopard is watching their cities. Everyone who goes out of them will be torn in pieces, Because their transgressions are many, Their apostasies are numerous.

Jeremiah 13:23

23 "Can the Ethiopian change his skin Or the leopard his spots? Then you also can do good Who are accustomed to doing evil.