An Impala grazes as a small flock of red billed oxpeckers search for ticks on its back

deer pest impala antilope grazing grass plain africa south kruger national park red billed oxpecker buphagus ticks larvae tickbird mammal aepyceros melampus swift athletic jumped beautiful lyrate horns bushy tail mites parasites male black markings speed alert cautious predator wary listening dry undergrowth bushes