Mai i te whakatakotoranga o ngā taunakitanga o te kōpae, te āhua nei ko te feathers i te āhuatanga dinosaur tupuna, ahakoa kotahi e kua kua tīpako ngaro i roto i te tahi mau momo. Kua kitea taunakitanga kōpae tika o feathers ranei feather-rite hanganga i roto i te whānuitanga rerekē o ngā momo i roto i maha rōpū dinosaur kore-avian, e rua i roto i saurischians me ornithischians. Simple, whanganga, he mea e mohiotia he feather-rite hanganga i heterodontosaurids, neithischians taketake me theropods, me te ceratopsians taketake. Ko te taunakitanga mo te feathers tūturu, kahore he feathers ki te feathers o ngā manu o nāianei kua anake i roto i te subgroup Manopora, he mea e kitea i roto i te oumu o nga manu, he mea e kitea i roto i te marama i muri i te 1990 tau. Kua kitea hoki e te rangahau he hononga tata i waenganui i te tahi i te tahi o nga momo i mua i te hanga o te tahi o nga manu, engari
e rua tau