K. Amerman 1964 Sibylle D., Taongi Atoll, Marshall Is. sand at one of the cuts. Saw 6-7 Black- naped Terns in the same area - They are indistinguishable from Fairy Terns at more than a slight distance. Call much different. Collected one on the way back. Saw perhaps 15 Reef Herons, only 1-2 of which were solid white like the ones first seen on the reef yesterday. Two - three solid dark, ~6 white with mottled black on back v wings and 2-3 dark body and proximal 1/2-2/3 wings, wing tips white, 1 dark body + solid white wings. Walked to the end of Pokak, turned back in order to return to camp for 1500 radio check. No vegetation on island beyond, only large rocks + boulders. Frigates roosting on these. Reef is very close at this point, island very hazy due to spray. Coming back along east shore, collected one Bristle-Thigh. Saw one medium-sized shorebird with dark wing tips, long call. Did not view it through glasses, however I thought it had a light rump. Perhaps a gullwit? Roger thought he saw another unidentified small shorebird. Harry reported another a Danderling but we couldn't find it. Returned to camp about 1330 - The other