ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ, hiː tˈɛstᵻfˌaɪd ɪn wˈɑːʃɪŋtən, dˌiːsˈiː, ænd ɪn ˈoʊmɐhˌɑː, nˈiː, ɹᵻɡˈɑːɹdɪŋ ðə sˌɛɹᵻmˈoʊnɪəl jˈuːs ʌv fˈɛðɚz ænd ˈʌðɚ nˈætʃɚɹəl ˈɑːbdʒɛkts ɪn ˌɑːpəzˈɪʃən tə ðə mˈaɪɡɹətˌoːɹi bˈɜːd lˈɔː.
In 1974, he testified in Washington, DC, and in Omaha, NE, regarding the ceremonial use of feathers and other natural objects in opposition to the Migratory Bird Law.