GREAT CRANE GATHERINGS
Generally, from late February to early April, up to a few hundred thousand sandhill cranes gather on the mud flats and shallows of the Platte River in Audubon's Rowe Sanctuary in southcentral Nebraska. I see them, often upclose, through a live camera on the sanctuary, which operates 24/7, and our home computer screen . Through the live camera at night, I see those four-foot cranes by the thousands standing together on the flats and in the shallows, huddled together and sleeping. Most of them have their beak and head tucked under a wing, but some are awake with heads up when I can see outdoor lights reflecting from their open eyes. And I can hear the short, gutterel trills of some of the awake cranes. At first light, the cranes become restless, and vocal. Now I can see that many ribbon-like flats and shallows are wall to wall sandhills, all standing and ready for the day. Before...