Final answer:
The implied main idea of this passage is that animals exhibit a sixth sense that is connected to nature and impending disasters.
Step-by-step explanation:
The implied main idea of this passage is that animals exhibit a sixth sense that is connected to nature and impending disasters. The passage describes how fiddler crabs, cicadas, and the cat exhibited unusual behavior before the hurricane hit land. This behavior suggests that animals can sense natural disasters before humans can.