african impala couple under tree in golden grass meadow of serengeti grumeti reserve savanna forest

africa african animal behaviour big bush chaos crowd crowded deer drive dry dust dusty environment exploring field five game gazelle grass great grumeti herd horns impala instinct kenya landscape mammal mara masai migrating migration nature park plains reserve safari sasakwa savanna savannah serengeti shrub stripes tanzania travel trees ungulate wild wildebeest wilderness wildlife