mˈækəlz nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi bˈʊk sˈɜːtʃɪŋ fɔːɹ hˈɪdən ˈænɪməlz wʌz nˈɛɡətˌɪvli ɹᵻvjˈuːd ɪnðə bˈaɪoʊ sˈaɪəns dʒˈɜːnəl æz ˈeɪ "ɹᵻflˈɛkʃən ʌv mæŋkˈaɪndz æŋzˈaɪəɾi ɪnðə mˈɑːdɚn wˈɜːld ʌv sˈaɪəns ænd ɐn ˈɑːbviəs ɛkstˈɛnʃən ʌv kˈɜːɹənt ˈɪntɹɛst ɪnðə pˈæɹənˌoːɹməl.
Mackal's 1980 book Searching for Hidden Animals was negatively reviewed in the BioScience journal as a "reflection of mankind's anxiety in the modern world of science and an obvious extension of current interest in the paranormal.