A cheetah cannot roar. The larynx is built the other way — they chirp, they purr, and when they want you gone they hiss, which is what this is. It lasted about a second and a half and I got three frames of it. What holds the picture is that the eyes stay narrowed and level the whole time: the mouth is doing the shouting and the face is completely unbothered.

Warning
Pumba Game Reserve, South Africa · December 2022
1D X Mark II, 200 millimetres, f 5.6, 1/1000 of a second, ISO 400