By Amy Standen
All humans can dance — some better than others — and so do some birds, most famously, Snowball, a cockatoo and Backstreet Boys fan.
Most scientists thought it stopped there, until Ronan, the head-bobbing sea lion came along.
“She really only has one move, but she does it very enthusiastically,” says Peter Cook, a graduate student at UC Santa Cruz and first author of a study published Monday in the Journal of Comparative Psychology.