Aransas National Wildlife Refuge reports that a new census technique is being used to estimate whooping crane numbers on the refuge. The estimated number of birds, based on three aerial flights within the survey area is 245. This does not include birds known to be in 5 Texas counties and other states. Recent rain fall has helped lower the salinity levels in area bays where the whooping cranes feed. Click on link to read full report: wc update 2_16_12