Enemies of the wallaby include birds of prey such as the wedgetail eagle, which can often be observed swooping down on colonies of various kinds of rock wallabies when they are exposed on the bare rock surfaces.n WikiAnswers, I am constantly On the wallaby. Passionate about all things Australian, I roam all over WikiAnswers, answering questions that have the remotest connection to Australiana ... and some that don't ... as my interests are far and wide.