Sound Gallery - 'Ua'u (Hawaiian Petrel)

'Ua'u at Haleakala National Park

NPS Photo

• 'Ua'u

  
  

  Sound recording of an 'Ua'u (Hawaiian petrel), Haleakala National Park, Hawaii.

  Credit / Author:

  NPS

  Audio Transcript

  The haunting "oo ah oo" call of an ʻuaʻu (Hawaiian Petrel).

Spectrogram of 'Ua'u. Spectrograms are graphs that visualize sounds. The brightness of the colors shows sounds’ amplitude (loudness) across different frequencies (pitches), shown from bottom to top, and over time, from left to right. This spectrogram visualizes the 'Ua'u's unique, rhythmic "oo ah oo" call

NPS

• Listen to more natural and human-made sounds recorded in national parks via the NPS Sound Gallery

• Learn more about what the National Park Service does to explore, understand, and protect the acoustic environment at Natural Sounds (U.S. National Park Service)