Scientists are rethinking the evolution of vocal learning in birds. New Zealand s smallest bird, the rifleman or titipounamu, may have a rudimentary version of the talent possessed by parrots, hummingbirds and songbirds.
Rainbow world nzgeo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nzgeo.com Daily Mail and Mail on Sunday newspapers.