Fabrice Cahez / Wild cat (Felis silvestris) hissing, looking at the camera, Vosges, France, April.

Joel Sartore / Photo Ark / Costa Rican oncilla (Leopardus tigrinus oncilla) male sitting down. The animal then looks around and hisses, baring its teeth. Toucan Rescue Ranch, San Josecito, Costa Rica. Controlled Conditions.

Joel Sartore / Photo Ark / Sand cat (Felis margarita) hissing, portrait, Chattanooga Zoo. Captive.