Well if you go by history as an answer, the dingo would most likely win out. Everywhere in Australia that the dingo has established itself, the native wildlife has suffered. As a matter of fact the dingo could very well have contributed to the extinction of the thylacine on the Australian mainland. read more
"The thylacine has a greater bite force than the dingo but its skull becomes more stressed than the dingo under conditions that simulate the influence of struggling prey," says Dr Wroe, who believes the bigger marsupial took downsized, relatively small prey despite its big energy requirements. read more