J. Groth 1987 journal 179. Spring Creek Pass, elev. 11,100 ft., San Juan Mts., Ainsdale Co., Colorado June 9 One individual noticed the decoys, (cont'd) called some prior to capture (see Tape) at was captured -- a juvenile Type 2. I was then able to capture a couple of females-- birds 575 and 576-- and prepare them as specimens. After preparing these two females, a huge horde of crossbills began to accumulate around the camp in the nearby forest. These crossbills were composed of Type 2, Type 4, and Type 5 birds as well as white- wings. I estimate the group was 30% type 5's, 30% Type 4's, 30% Type 2's, and 10% white-wings. Siskins and chickadees also congregated with the flock. Birds cavorted in open tops (which were just unfurling here) and also the tops of the spruces. I observed birds going to the ground and picking at things, including especially around the snow banks. I walked among the birds, but did not collect any. It seemed like birds of the same call type interacted