Machen 1866 A. interprets to hatch. 2 eggs 10 June - assume dutch completed 12 June → 21 day incubation period from last egg. Characterized 3 nest habitats: #1 - rp-d - 2/o - A - 1/2 - Co #2 - rp-d - 1/o - A - 1/1 - Co #3 rp-d - o/o - A 5 July All 3 nests have now hatched and birds have moved out onto Holmes' Morass. Note immediate abandoning of polygonal grounds. Color of chicks seems adapted more to marshy (green) area than to polygonal grounds (as, for instance, golden plover chicks). 6 July Nest #4 still not hatched.