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Analyzing androgynous characteristics in an emperor penguin courtship call #ASA186 - EurekAlert
<p>In the emperor penguin courtship call, male vocalizations are composed of long, slow bursts with lower frequency tones than the female version. But calls of SeaWorld San Diego male penguin E-79 defied this binary. Also unusual was this penguin’s male companion, E-81. The pair “kept company” and sometimes exhibited ritual courtship displays. Researchers studied the courtship calls of E-79 and E-81, recording the birds in their below-freezing enclosure and refining the usual technique for analyzing the bursts, and Kerri Seger will present their work at the 186th ASA Meeting.</p>
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