What does the cow say?

Alexandra Green sees the humor in her work when she declares that someday she hopes to be a "cowmoonicator." Green has been studying the vocal behavior of dairy cattle. Her work has shown that individuals have distinct voices, and that there are specific "moos" that communicate information. Working with a herd of 18 Holstein-Friesian heifers over five months, PhD student Alexandra Green from the University of Sydney determined that the cows gave individual voice cues in a variety of positive and negative situations. Together, it's a language that helps them maintain contact with the herd and express excitement, arousal, engagement or distress. She recorded 333 samples of cow vocalizations and analyzed them using acoustic analyses programs with assistance from colleagues in France and Italy. A few of the results include the beginnings of a "cow dictionary." For example, there is a "word" for anticipation of being fed. Here's heifer #1: And heifer #2   There is also a common sound unhappy cows make when they're being denied  feed: Here's one heifer: [audio wav="https://onpasture.com/wp-content/uploads/2020/04/Feed_

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