Red-billed oxpecker (Buphagus erythrorhynchus) on a Cape buffalo (Syncerus caffer), Ngorongoro Crater, Tanzania, East Africa, Africa

travel destination photography horizontal colour image day outdoors red billed oxpecker buphagus erythrorhynchus cape buffalo syncerus caffer ngorongoro crater tanzania east africa africa animal themes wildlife animals in the wild two animals side view head and shoulders symbiotic relationship bird focus on foreground horned no people colour color image color outside tourist destination travel nobody no one no one foreground focus differential focus