A hippo, Hippopotamus amphibius, yawns in a green waterhole, Londolozi Game Reserve, South Africa

yawning one animal no people south africa horizontal colour image photography side view animal bovid hippopotamus animal head water hole day animal themes environment environmental conservation conservation nature nature reserve wildlife reserve wildlife animals in the wild safari animals travel place of interest travel destinations safari animal conservation wildlife conservation hippopotamus amphibius safari park londolozi game reserve sabi sands wildlife conservation londolozi