February 1965 BCF White-necked Petrel One bird was seen at the southern end of the area on February 11. Juan Fernandez Petrel One bird was seen at the southeastern corner of the area on 20 February. In addition, two birds which were either this or the similar Dark-rumped Petrel were seen in the south on 12 February. Their very dark mantles made a distinction difficult, although the latter species is the more probable of the two. Leach's Petrel Numbers of this species remained virtually unchanged; 83 were seen in February compared with 88 in January. Greatest numbers were concentrated toward the southern end of the area. None were seen in the area 200 miles south of Oahu where 37 were seen in one day in January. Few birds were seen along the two outermost legs of the grid. Red-tailed Tropicbird Only three birds were seen in February, the lowest monthly total for the area. Presumably, the winter decline in numbers reaches its turning point in February and numbers will increase in March. White-tailed Tropicbird The ten birds seen in February were scattered throughout the area. No change in numbers was recorded between this and last month. Blue-faced Booby All four were seen south of 14° N. The bird seen on 10 February appeared to be an adult; the other three were immatures. This is the first time an adult bird has appeared in the area.