Kalmar "Suborder Passeres" wani nau'i ne na haraji a fannin ilimin kimiyyar ido, wanda ke nufin rukuni na tsuntsaye masu tsalle. fiye da rabin duk nau'in tsuntsaye. Ana kuma kiran su da sunan “tsuntsaye masu tsiya” saboda suna da ƙafafu waɗanda aka dace da su don yin kiwo a kan rassan bishiya, ko wayoyi, ko wasu gine-gine. busassu, da masu kaɗawa, da sauransu, bisa la’akari da halaye daban-daban na morphological da halaye.