Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...

Thus, adult zebra finches retain the ability to adjust their vocal output, but differ from juveniles in that they do not seem to change their internal song model based on auditory input.

"Hopefully, they'll breed and we'll get our own little zebra shark juveniles," aquarist Georgina Wyeth said. The zebra sharks' stripes are replaced by spots as they get older She added ...