Catharacta maccormicki 2043 Nov.13 4:15. Lft Yw-01 returns. Pt Yw-01 display no head bob, then respond to challenge display. Just noticed also that pair #2 has left. (4:15) 11:20 Unmarked bird flew from one Pt Yw-01. Lft Yw-02 sitting 20 feet D. Pt gives no response. Bird returns second time Pt gives head bob + puts bell down [illegible] Like the (port of?) makes no sound other bird doesn't return. Lft no response at all. B.12 [illegible] Pt 4 (summary) Lft Blue + unmarked Copulated on ice of cone 50yds from shore near a penguin body they have been defending + feeding on. (I dropped at t here the S.) Lft blue returned to territory sat a long time, mate finally joined at (both challenge). Lft Blue flies out + chase bird from penguin returns to ten. 4:45 Lft Blue + mate fly out + chase bird at which lands at penguin. Lft Blue first makes pass at other bird 100yds out & returns. The pt did this once before also ~ chased for 100yds or so no pass.