Here are the Thompson's gazelles which were of interest to the [url=view_album.php?set_albumName=mara_cheetahs]cheetah[/url]. These little gazelles are vigilant and also run quickly - an example of the biological arms race between predator and prey. No, that's not water in the background, just a vast plain. The dark things between the "tommies" and the plain are gnus, or wildebeest.