Bottlenose dolphin moms use baby talk with their calves

Mothers modify their signature whistles when their babies are near

photo of a bottlenose dolphin mom and calf

Bottlenose dolphin moms modify their individually distinctive whistles when their calves are near, a new study suggests.

Sarasota Dolphin Research Program. Photo taken under NMFS MMPA Permit No. 20455

When speaking to young kids, humans often use squeaky, high-pitched baby talk.