Plains Zebra Equus burchellii is unmistakable black and white. But look out for the endangered Grevy, similar with thinner stripes and white belly. One of the targets we had was to get them in the same photo for comparison, which is possible in Meru.
Common Warthog Phacochoerus africanus is one of 2 warthog species found in Meru. More info on the different warthogs in Meru by NatGeo.