Pasuru: Mapeya chinhu chinozivikanwa neshiri (kunyangwe chiripowo mune mamwe madinosaurs asiri parizvino anoonekwa seshiri chaidzo). Ivo vanobatsira kubhururuka, vanopa kuputira kunobatsira mukudziya, uye kunoshandiswa mukuratidzira, kufukidza, uye kuratidza. Kune akati wandei marudzi emapeya, imwe neimwe ichishandira yayo seti yezvinangwa. Mapeya ndeepidermal kukura akasungirirwa paganda uye anomuka chete mune chaiwo matunhu eganda anonzi pterylae. Kugoverwa kweaya matunhu emapeya (pterylosis) kunoshandiswa mu taxonomy uye systemugal. Kurongeka uye kutaridzika kwemapeya pamuviri, kunonzi plumage, kunogona kusiyana mukati memhando, chinzvimbo chemagariro, uye bonde.
minhenga yokufambisa