• Changes in vocal repertoire of the Hawaiian crow, Corvus hawaiiensis, from past wild to current captive populations

      Tanimoto, Ann M.; Hart, Patrick J.; Pack, Adam A.; Switzer, Richard A.; Banko, Paul C.; Ball, Donna L.; Sebastián-González, Esther; Komarczyk, Lisa; Warrington, Miyako H. (2017)
      ...We compared the vocal repertoire of three of the last four wild 'alalā pairs from the early 1990s to three current captive pairs on the Island of Hawai'i to determine how acoustic behaviour has been affected by changes in their social and physical environment. Over 18 h of recordings from wild breeding pairs were analysed and compared with 44 h from captive breeding pairs....
    • Vocal repertoire and signal characteristics of 'Alalā, the Hawaiian Crow (Corvus hawaiiensis)

      Tanimoto, Ann M.; Hart, Patrick J.; Pack, Adam A.; Switzer, Richard A. (2017)
      The critically endangered Hawaiian Crow or ′Alalā (Corvus hawaiiensis) is currently extinct in the wild and the remaining 115 individuals are being captively managed on Hawai′i and Maui Islands by the Zoological Society of San Diego. Here we provide the first comprehensive analysis of the vocal repertoire of this species....