There is a lot of myth and mystery that surrounds pregnancy still, and it is very difficult to sort out what the details in any individual case may be.. The new guidelines point out that while flying is safe for most pregnant women, there is some need for caution.
Sandhill Cranes are omnivores; their diet varies by location and season. They eat insects, rodents, snails, small reptiles and amphibians, nestling birds, the roots of aquatic plants, tubers, berries, seeds, and grains.
Some species have been known to eat guano (bat droppings).   Different species of crabs eat different foods. Depending on the species, they may eat plankton, worms, shrimps, prawns and other shellfish, and they scavenge for animal and/or plant remains.