The nostrils, eyes and ears are elevated above the top of the flat head enabling them to remain above the surface of the water when the animal is floating.
ðə nˈɑːstɹəlz, ˈaɪz ænd ˈɪɹz ɑːɹ ˈɛlɪvˌeɪɾᵻd əbˌʌv ðə tˈɑːp ʌvðə flˈæt hˈɛd ɛnˈeɪblɪŋ ðˌɛm tə ɹᵻmˈeɪn əbˌʌv ðə sˈɜːfɪs ʌvðə wˈɔːɾɚ wɛn ðɪ ˈænɪməl ɪz flˈoʊɾɪŋ.