105. The total hatch of the Laysans is 19 per cent, or about 120 of the 631 nests. 64 per cent of the Blackfeet are now on chicks, with 40 per cent hatched on N. pt, 67 per cent on west beach. Shorebirds are way down - only 37 GP and 58 RT. Blue-faced Booby behavior in the PM after chow. Jan 31, 1965 Checked the Blue-faced Boobies every hour today. the numbers in the colony are lower at night, but higher during the day. 69 were found at 0720, 74 at 1850. The lowest number were found at 1000 hours - 21. The female B16 is behaving strangely, sits in the same spot hour after hour, not standing but sitting. No egg, but since these notes are written a day late I can say that she laid an egg sometime during the night, as there is one there tomorrow. 1 Feb. B15 is on an egg in the same area that B16 was sitting all day yesterday. She laid the egg in the spot she stayed in all day. Almost all of today was taken up with report writing - an extra long report that covers everything from house mice to weather. We must find a way to census amount of Bonin Is. Petrel active burrows with eggs. Two eggs have been found on the ground, but we cannot check burrows without destroying them. 2 Feb. Finished off all my recovery forms this A.M. Ched Laysan nests and Blue-faced Boobies at 1400, at that time all female boobies on eggs. At 1830, after doing some behavioral observations, noticed that all the nests were attended by males - each had changed mates on the eggs. I found an injured and emaciated Imm. Frigate today - brought him back to the lab for bleeding. Won another dollar from Dennis - he bet I couldn't find the heart and draw 10 cc. of blood from the injured bird - got 11 cc. on the first try. The heart was located about 1 inch to one side of the center of the sternum, and almost 1 1/2 inchesdeep. The bird was dispatched and is now proudly wearing tag FN 20427. One wing was damaged in the carpal area. In carrying him back I picked up quite a load of Mallophaga - almost 50 of them on my tee shirt. I have never seen a bird - even among Frigates - so loaded with