Not surprising- I went to South Africa many years back and the first Mountain Zebras I saw were dead ones- part of a cull! They had too many so advertising them for Zoos would have been another obvious outlet for the surplus. Meanwhile, Zoos are desperately trying to conserve them.....
if you click on the thumbnail picture, then click on it again once it has opened you should get the full-size photo which is pretty big and easy to read. Works on my laptop at least.