Lion/Lioness mating (2nd image): He tenderly bites her ear. [Xakanaxa, Botswana].
Lion/Lioness mating (3rd image): The lioness has decided that she's had enough and that the event is over. She rears her head and snarls, and 'snaps' at her mate. This always happens, and he knows that it's coming, and so he gets his head out of the way. [Xakanaxa, Botswana].
Lion/Lioness Mating (4th image): The lion slinks off and lies down several feet away. They both rest. [Xakanaxa, Botswana].