If we’re going to be nitpicky about it, most of the denizens of the savannah are fast and nervous. Except the lions, they are never nervous. Or the buffaloes (if they are they hide it well). Here I am referring to the antelopes (and a certain flightless bird)

(Above, Serengeti National Park)

But it’s a dry heat…

(Serengeti National Park)

Antelope

(Serengeti National Park)

Yes, our buddy the wildebeest (aka gnu) is an antelope

(Serengeti National Park)

More antelopes…

(Serengeti National Park)

Ostrich I

(Serengeti National Park)

Procession

(Tarangire National Park)