Northwest Airlines, for example, currently requires a note from a physician if a woman seeks to fly within one month of the due date. At the time Heilman flew, 34 weeks was the cutoff. Her daughter Katie, now 4, was delivered 400 miles from home by Caesarean section.
1 This may happen because the birds use their beak to probe for food in muddy wetland soil.  Most sandhill cranes live in freshwater wetlands, feeding on plants, grains, mice, snakes, insects, and worms. Sandhill cranes usually nest in wetlands and create a structure from whatever plants may be at hand. Females typically lay two eggs, which both parents incubate.
What Do They Eat? Larval yellow perch commonly eat copepods, waterfleas, and other small crustaceans. Juveniles quickly begin to include bigger items such as aquatic insect larvae and larval fish. By the end of their first growing season, perch are including small fish, crayfish, leeches, and snails in their diet.