According to professor Hiroko Ikeda's Index of Japanese Folktales, the tale is classified as type 480D, "The Tongue-Cut Sparrow" or Shita-kiri Suzume.
ɐkˈoːɹdɪŋ tə pɹəfˈɛsɚ hɪɹˈoʊkoʊ ˈaɪkdəz ˈɪndɛks ʌv dʒˌæpənˈiːz fˈoʊkteɪlz, ðə tˈeɪl ɪz klˈæsᵻfˌaɪd æz tˈaɪp fˈoːɹhˈʌndɹɪd ˈeɪɾi dˈiː, "ðə tˈʌŋkˈʌt spˈæɹoʊ" ɔːɹ ʃˈiːɾəkˈiəɹi sˈuːzjuːm.