buck bush Ears hair impala male mammal ram rooibok skin cows Fleckvieh Kühe Landschaft livestock meadow Rinder sommer summer weide bison brown cars grass gray green hills pine trees road traffic antelope bull deer gazelle horn nature reserve terrestrial animal wildlife Africa animal black ecology horse journey national park nature park safari Serengeti strip Tanzania travel trip white wild zebra dry giraffe high hot Kenya park Africa patch tree reserve turism warm wilde