![]() ![]() (The official first day of summer was June 21.) Oh, I know it has been for a while, but it seems that I have just taken notice. And Zebra finches elevate their pitch and slow down their songs to address chicks, perhaps making it easier to learn birdsong.įor the dolphin study, the researchers focused solely on the signature call, so they don’t know if dolphins also use baby talk for other exchanges - or whether it helps their offspring learn to “talk” as it seems to do with humans.Domain menu for The Sun-Sentinel (mobile) Female rhesus monkeys may alter their calls to attract and hold offspring’s attention. Research dating back to the 1980s suggests that human infants may pay more attention to speech with a greater pitch range. ![]() Why people, dolphins or other creatures use baby talk isn't certain, but scientists believe it may help offspring learn to pronounce novel sounds. “This study is the result of so much research effort.” “This is unprecedented, absolutely fantastic data,” said Mauricio Cantor, an Oregon State University marine biologist who was not involved in the study. Fathers don't play a prolonged role in parenting. That included years when they had calves and when they didn't - dolphin calves stay with their mothers for an average of three years in Sarasota, and sometimes longer. Over more than three decades, scientists placed special microphones multiple times on the same wild dolphin mothers in Florida's Sarasota Bay to record their signature whistles. “That was true for every one of the moms in the study, all 19 of them," said biologist Peter Tyack, a study co-author from the University of St. Domain menu for The Greenwood Commonwealth (main - mobile) ![]()
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