Emperor E-79 shown at the end of a display sequence after calling (IMAGE)

Acoustical Society of America

Emperor E-79 shown at the end of a display sequence after calling

Caption

Emperor E-79 shown at the end of a display sequence after calling. When the birds call, their bills are facing generally downward and only slightly opened. The sound is radiated downward from the bill and to a lesser extent outward from the breast. 

Credit

Linda M. Henry, SeaWorld San Diego

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