JP Myers 1980 Colidius melandotus Grid 3, NAKL, North Slope Borough, Alaska 23 June (cont') 0251 & approaching 9 in L16C/TC, squat position, then RG. Kept self R. Kept up RG for 37 seconds. As he did, she kept running in 80 light circles, less than 10 cm from 8 (he following her), her always with rear forward lean, neck withdrawn. She doesn't like this bull shit. 0443 The & aggressed toward the 8!! He had come over her hooting and was running up to him, looking at it about to L16C/TC. She flew at him from 2 m away, churring, and chased him for 1-2 sec. She then crouched. He flew away. A FIRST. 0453 - easy to spot when she is going into a nest cup because she starts running squat. Summary of this tracking session: The 8 remained with & Redhead throughout the Thus (0000-0700) I tracked her. He was the only 8 she played with. During these thus he remained within 50 m of her nest most of the time preening, feeding, growing, etc. He booted over her 17 times (once every 17.5 min). He mounted her once, and reached the squawk stage one other time. Her RG stage 6 other times. But most remarkable of all, beginning at 041a 283 (= 0443) she attacked aggressively at him and chased him away from her. 0 2320 returned to Grid 3 for another tracking session of & Redhead. Actually 8 arrived at 02215, Be coming early to place additional stakes on the grid. When I arrived then Redhead was working on a new nest cup. Every time I come to look for her I find her in < 5 min. She isn't knowing anywhere, as suggested by our tracking data. Her locus of activity has shrunk from ~2 ha on 21 June to 1 ha last night. This evening between 2320 and 0520 (6 hrs) she used ~0.5 kg. I am astonished at this trend. How can this & possibly be precocious? She uses but a fraction of 8's territory?. When I arrived she was working on a