Erayga APODIFORMES waxa uu tilmaamayaa habab shimbiro yaryar iyo kuwo yaryar oo caadi ahaan leh jidh caato ah, lugo gaagaaban, iyo baalasha degdega ah. Dalabkan waxaa ku jira shimbiraha sida swifts iyo hummingbirds. Magaca "Apodiformes" wuxuu ka yimid ereyada Giriigga "a-" (macnaha la'aan) iyo "podos" (macnaha cagaha), taasoo ka tarjumaysa xaqiiqda ah in shimbirahani ay leeyihiin cago aad u yaryar iyo lugaha daciifka ah.