“…In the process of Austronesian expansion into Oceania, a number of animals (e.g., chicken, pigs, rats, and dogs) and plant species (e.g., bananas, breadfruit, taro, yam, paper mulberry, etc. ), either domesticated or managed, were introduced over time from different source regions (3,8,15). Although each of these species has been shown to have a different history (8), all these "commensal" species were totally dependent upon humans for dispersal across major water gaps (6,8,16).…”