Marshall (1942) Turdus rufitorques Colonizing only diff. front mtns. V. de Santa Ana 2276 taken at extreme summit of cleared bump of "Jeco" back of camp. This summit had one tall snag left, ground covered with dense brush. Robin came from overhead, alighted on top of stub, gave a lot of loud alarm notes & began to sing. Coll. all alone. 2390, 2391 from breeding colony at Summit of Santa Ana - in As descr. in Van Rossem - a prairie with a few trees - foraged on ground in grass & sang from trees - and from trees in heavy brush on the outermost wall of crater. Very definitely a colony - close-packed in small area - perhaps several hundred birds - extreme amt noise, fighting, singing etc. Old J's very tough to get. Very wild. Great nos. after some kind of berry in the brush patch. Cedar Warbler & many other birds in this Creek.