Or maybe they're more excited to see the male caregivers? Or maybe the male caregivers are louder themselves so they copy them? Or maybe...
If you read the paper, it suggests Turkish female caregivers are more vocal with their cats and understand their vocal cues more intuitively/don't need telling twice.
Maybe
"Greeting Vocalizations in [These 31] Domestic Cats Are More Frequent with Male Caregivers"
If you read the paper, it suggests Turkish female caregivers are more vocal with their cats and understand their vocal cues more intuitively/don't need telling twice.