At a breeding colony, Wood Storks crowd the trees with large nests made of sticks. An adult (top left) greets its mate with bill-clappering and guttural noises. Week-old downy young (top center) wait to be fed while a subadult stork preens nearby. After five weeks (top right) young storks become restless and may stand up in their nests, sometimes watchful of fledging birds (bottom center) trying their wings.