Related: Baby Highland Cow 'Finds Her Moo' and Her Proud Face Says It All “One-day-old bull finds his MooOoO,” his humans wrote in the caption. “Our other bottle calf is hel ...

You know, we've never thought about the first time a cow moos. It just seemed ... to understand what they’re trying to say. Other reasons why cows moo: cows will moo to let each other know ...