WATCH: Millions of red crabs trek from forest to waterEach year, the red crabs move from the forest to the water during the wet season.
In Cuba, crabs embark on perilous migration to Bay of PigsEvery year in Cuba, millions of crabs emerge from the forest at the beginning of the spring rains and head for the waters of the Bay of Pigs, crossing streets and highways on a perilous journey to mate and reproduce there.