Because of its geological history , the plants and animals `` of Cape York Peninsula are a complex mixture of Gondwanan relics , Australian isolationists and Asian or New Guinean invadersâ ( p. 41 ) . As a result from its geological history , â the flora and fauna of Cape York Peninsula are a complex mixture of Gondwanan relics , Australian isolationists and Asian or New Guinean invadersâ ( p. 41 ) .