Beisa Oryx (Oryx de gazelle callotis) http://travel.mongabay.com/kenya/600/kenya_4117.jpgBeisa Oryx (Oryx de gazelle callotis) Beisa Oryx (Oryx de gazelle callotis) p18637p Beisa Oryx (Oryx gazelle callotis) | | | | | | p18637p