Halo 2 > Halo 3 > Halo 3 ODST > Halo Reach > Halo CE
Based on campaigns.
Posted by: DecepticonCobra
*Grunt sees a herd of zebra grazing*
Grunt: THEY'RE COMING RIGHT FOR US!
Honestly though, they were led by the brutes for the most part, I doubt they really cared what they killed.
Yeah lol
Perhaps they were killed because the brutes thought they might be a food source for humans or something, or maybe the brutes intended to eat them themselves