jˈʌŋ bˈɜːdz hæv pˈeɪlɚ jˈɛloʊ ˌʌndɚpˈɑːɹts, bɹˈaʊnɚɹ ˈʌpɚpˌɑːɹts, nˈoʊ kɹˈaʊn stɹˈaɪp, ænd mˈoːɹ ˈɑːbviəs tʃˈɛstnʌt fɹˈɪndʒᵻz tə ðə wˈɪŋ ænd tˈeɪl fˈɛðɚz.
Young birds have paler yellow underparts, browner upperparts, no crown stripe, and more obvious chestnut fringes to the wing and tail feathers.