Mayhew 1947 Western Robin 6. May 16 U.C. campus, Alameda Co., Calif. at 9:35 A.M. a pair of Brown Towlees began & feed directly below the nest, This didn't seem & bother the bird on the nest either. at 9:38 A.M. the bird left the nest & flew away & the east, At 9:39 A.M. one of the adults (I couldn't tell which one) returned & stood at the edge of the nest. At 9:40 A.M. th& ? returned to the nest from the south & chased the or away again. The ? stood at the edge of the nest a few seconds, then sat upon the nest again, facing north-west, a moment later, a Song Sparrow lit upon a limb about 12' from the nest, but there was no reaction on the part of the bird on the nest. At 9:48 A.M. the ? left the nest again, returning a few seconds later. She now sat on the nest facing west. The nest is located on a secondary branch about 1 1/2" in diameter, about 12" from the junction of the main branch. It is about 2/3 of the distance from the trunk to the periphery of the tree. The nest has an outside diameter of about 6", & is about 8" high, counting the material beneath the branch. at 9:59 A.M. the ? was preening her feathers while still on the nest. Once she stood up in the nest & preen her tail feathers. She shifted her position on the nest as she preened her feathers, At 10:03 A.M. She stopped preening & remained facing in a