GULLION Fulica americana 294 Apr 10 University of Calif, Camps, Alameda Co., Calif. Both of them. G89 went back to nearly defunct nest, slapped with feet, alternately, for a moment, then settled down. - Jewel Lake, 570 ft. Contra Costa C., Calif. Arrived about 1:45 p.m. One S bird was feeding at D11. About 5 min later another came out from C13 to feed. A short time later, N# by call, crossed from C24 towards the island, soon after she was on her way, NT came charging out to meet her. She also took the charge pose and they both held it until they passed. Then NT turned south to G20, still charging, but stopped there and came in by the boat. A short time later, both S birds did the same. note: - Apparently when one foot sees another in its territory, it charges it until it has definite proof that it is a friendly bird. They seem incapable of recognition at any distance, and to them must have the bird facing them in order to recognize it. Occasionally a bird will break off a charge before reaching a recognized bird, but after the two will pass one another, drawing up immediately after doing so. A pair of Mallards came out from H4, swam along the W edge to