Cape buffalo and tick birds
Pair of Cape buffalo (Syncerus caffer) each with its own tick bird (Yellow-billed oxpecker, Buphagus africanus africanus), grazing by an acacia tree, Ngoronoro crater, Tanzania.
Arctangent there are often more than one bird on buffalo, zebra, rhinos giraffe, eland, zebra, warthog, impala, hippo and kudu and other large animals (although not on elephants, lions and other felines)
Cape buffaloacacia treerainy seasongreen grasstick birdYellowbilled oxpeckerSyncrus cafeBuphagus africanus africanusNgorongoro craterTanzania
From Ngorongoro Crater