“The research shows for the first time that mother-offspring cattle calls are individualised – each calf and cow have a characteristic and exclusive call of their own…
If they are not distressed and they are calm they will moo fairly low to the calf, almost talking to their calf…
If they are distressed, in other words they have lost their calf or are separated from their calf, it’s a much higher pitched moo…
She starts bleating louder and louder because she’s distressed because he’s away from her.”