RT cont of the turnstones would be darting in toward the egg. Finally on one lunge, one of the free turnstones reached almost under the tern and pecked the egg. Another sooty had come up to the defending sooty or egg once was pecked by the incubating bird, around away a few feet and returned to the incub- ating birds side without being pecked again by the incubating bird. However, the free tern made no pecks at any of the marshbirds