A recent study that is shedding light on the emu’s key behavioural patterns, an Australian icon, has found it has been roaming around Australia for over 6,000 years. Western Sydney University researcher Julia Ryeland, who along with researchers from Western Sydney University and the University of Tasmania, wrote the new study said that despite the emu being indigenous to large areas it is still regarded as something of an enigma to native fauna experts. “They’re so widespread, but we really don’t know much about them,” Ryeland said. “We don’t even know basic things like lifespan.” The emu is the second-largest bird in the world behind the ostrich. It stands just over six foot two at 190cm tall and weighs up to 55 kg or 121 pounds. Indigenous to mainland Australia, the bird once ranged all over Australia including the island territories of Tasmania and Kangaroo Island, and have a special place in …