Maclean 1964 Clangula hyemalis 13 July Micro-met & sitting very high - approaches to 1 ft. without causing her to leave. 17 July Above & deserted. Eggs cold, wet from previous evening's rain. 1 egg taken - no embryo. 19 July Other 5 eggs checked - all without embryos. 29 July Clutches of 6 (larger) and 11 (smaller), plus ca. 30 other adults on Upper Meadow Lake. Clutch less chicks away as predator (namely, me) approaches. When trapped next to bank all dove and dispersed under water. Each came up for c.a. 2 sec, dove again. Continued until away from predator. Pretty damn effective!