quetzal vocalizations quite simple in form, loud, , repetitive. while few variations exist on how spell out call of pavonine quetzals, vocalizations resembles descending whistle (« ew ewwo ewwo ewwo ewwo »), followed « chok » note. birds repeat call around 4 times in ten seconds, , composes bulk of known vocalizations. produce alarm call described chattering « wa op-op-op-op », of woodpecker. finally, juveniles able produce short « ow » call.
these calls arguably not vary 1 sex other, , during mating season. example, males seem repeatedly call advertise location after finding suitable nesting site.
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