Hachwa, C.D. 1967 Species Account Great Frigate (Fregata minor) March 17 Offshore Layson Island Benscilo, count at dawn - several thousand birds in the air. Majority of birds seen from the ships were immature + females. Some observed feeding on garbage from the ship but only after it had floated several hundred yards from the ship. None came close to the ship. One adult female observed chasing a Red-footed Booby but results of chase could not be determined because of distance + heavy swells. March 18 Layson Island No complete survey was attempted because of the activities. Numerous males displaying. A large number of birds on nests along west side of island all on Scacrola. Plan to survey three tomorrow. No landed birds were found during a check of the NW quarter of the island. March 19 Layson Island Had to pull off island before a complete survey could be done. Birds are present on eggs & empty nests. The majority of eggs are presumably fresh although some were checked. Population on island in close to 2000 birds. March 20 Draianali Island south About 200 flying immatures seen, the west end of the island and a field in the interior, perched on Scacrola. A large number of males were displaying on empty nests of new construction. Of 60 nests checked only 30 contained an egg. Of 18 nests where the sex of its incubating bird could be determined 12 were male. Shitler of 18 eggs that were coiled were fresh. Nests constructed who of Trichulus and all nests were located in Scacrola. Total nests about 200-250 on the entire island on the basis of an incomplete survey. Nests ranged in height from 1 foot to 3 feet. C.D.Hachwa 1967 Species Account Great Frigatebird (Fregata minor) March 8 Nikao Island Scattered all over island in little clusters, probably 7-8,000 birds. Checked 21 nests and found ?% of the eggs to be clean, pinkish when coiled (against sun) and the rest were dirty and opaque (well insulated?). A large number of immatures, 2-3,000 are present, many still on nests. No small young observed. Of 31 birds sitting on nests: 11 males on eggs 10 females on eggs 4 males on empty nests 6 females on empty nests. March 10 Nechea Island About 200 nests scattered around the island. Birds were found in little clusters on Chenopodium around the edge of the ridges. A number of nests were found on the same place as the build of the Red-footed Boobies in the Chenopodium. This plant species was used for the nest. The majority of nests were new construction but empty. Only 37 of 100 had eggs. March 11 East Island, French Frigate Shoals No nests. About 45 birds, mostly female immatures were sitting on the east side of the island during the afternoon. About the same number roosted on the island. March 13 Trig Island, French Frigate Shoals 1 flew over island - an immature. March 14 Whale-Back, French Frigate Shoals Forty-six immatures were sitting in the nesting colony - many on old looking nests. Of 165 new nests were found as follows: 166: males on nest: females must: Und sex a nest: empty - 17 empty - 4 empty (new) - 38 1 egg - 63 1 egg - 31 1 egg - 13 All eggs that were checked (24) were fresh.