Geographic variation in acoustic signals may arise in vocal learning species due to processes of cultural evolution and population dynamics, but few studies have evaluated geographic vocal variatio...

中文翻译：

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墨西哥西部军用金刚鹦鹉发声的地域差异

由于文化进化和种群动态的过程，声音学习物种可能会出现声学信号的地理变异，但很少有研究评估地理声...