Complex sentence: Echidnas typically try to avoid confrontation with predators due to its lack of anatomical weaponry, using the colour of its spines, which are similar to the vegetation the dry Australian environment to avoid detection.
Split into simpler sentences: Echidnas typically try to avoid confrontation with predators due to their lack of anatomical weaponry. Instead, they use the colour of their spines, which is similar to the vegetation the dry Australian environment, to avoid detection.