Like all hadrosaurs its beak was toothless, but its jaws were packed with around 1,500 tiny chewing teeth. A large hole near its nostrils may have been covered by a loose flap, which could be inflated to make sounds.
l aɪ k WORD_BOUNDARY ɔ l WORD_BOUNDARY h æ d ɹ ə s ɔ ɹ z WORD_BOUNDARY ɪ t s WORD_BOUNDARY b iː k WORD_BOUNDARY w ʌ z WORD_BOUNDARY t uː θ l ə s WORD_BOUNDARY b ʌ t WORD_BOUNDARY ɪ t s WORD_BOUNDARY d̠ʒ ɔ z WORD_BOUNDARY w ɜː WORD_BOUNDARY p æ k t WORD_BOUNDARY w ɪ ð WORD_BOUNDARY ə ɹ ɹ aʊ n d WORD_BOUNDARY w ʌ n WORD_BOUNDARY f aɪ v h ʌ n d ɹ ɪ d WORD_BOUNDARY t aɪ n i WORD_BOUNDARY t̠ʃ uː ɪ ŋ WORD_BOUNDARY t iː θ WORD_BOUNDARY ʌ WORD_BOUNDARY l ɑ ɹ d̠ʒ WORD_BOUNDARY h oʊ l WORD_BOUNDARY n ɪ ɹ WORD_BOUNDARY ɪ t s WORD_BOUNDARY n ɑ s t ɹ ə l z WORD_BOUNDARY m eɪ h ʌ v WORD_BOUNDARY b ɪ n WORD_BOUNDARY k ʌ v ə ɹ d WORD_BOUNDARY b aɪ WORD_BOUNDARY ʌ WORD_BOUNDARY l uː s WORD_BOUNDARY f l æ p WORD_BOUNDARY w ɪ t̠ʃ WORD_BOUNDARY k ʊ d WORD_BOUNDARY b iː WORD_BOUNDARY ɪ n f l eɪ t ɪ d WORD_BOUNDARY t ə WORD_BOUNDARY m eɪ k WORD_BOUNDARY s aʊ n d z WORD_BOUNDARY