5 mi N Castle Butte, Kern Co California March 25 I saw Two grebes, what appeared to be Eared Grebes in winter plumage. Mar 26. It became very windy as a storm front moved in from 4:00 on throughout the night. I arrived to pick up traps at 6:45. Results as follows: Undisturbed site: Trap 5- ? meriamii, 50g, #1, perforate Trap 8 - 2? P longimulus 16g, dead, non-breeding, imm Trap 97 - 2? P longimulus , non breeding, 22g #1 Trap 44 2? O. meriamii 55g, #2, scrotal Disturbed site Trap 49 P longimemulus, #3, 17g, ?, non-breeding Trap 42 P. longimulus, #3, { Trap 34 P.longimulus } 10:00 AM It appears that the mammal density in this area is quite low. The high winds of the night may account for part of this, or the early date, preceding breeding effort for most species, or it may reflect an inhospitable habitat. In any event there appears to be little reason to try to do an extensive census on this study area, with such few days, yes renders trapping events will lead to no much variation in the entire populations! Accordingly, after running the trap grids at 10 AM, I visited the Galapols site some