25 Bizarre Nature Photos Showing How Strange Earth Really Is 16. Assembly Of Crabs: Off the coast of Australia on Christmas Island, the annual migration of nearly 120 million red crabs creates quite a sight as they make their way to the ocean. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26