Two African Giraffes Feeding with an Oxpecker Companion

two african giraffes feeding oxpecker companion mutualism national geographic nat geo animal planet nature natural habitat environment wildlife giraffe wild africa mammal safari neck bird herbivore wilderness giraffa outdoor fauna conservation savanna spots camelopardalis beak feather avian erythrorhynchus redbilled oxpecker buphagus camouflage long neck patterned red billed oxpecker ruminant ornithology eat perched feathers ossicones giraffe with bird