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. 2013 Apr 17;8(4):e61030. doi: 10.1371/journal.pone.0061030

Figure 2. Close-up of site location and in situ egg map.

Figure 2

Top: overview of the Universitary campus showing the location of several paleofaunal elements and the grid corresponding to the nesting colony (shaded purple box). Bottom: grid showing the location of each mapped egg; circles represent upright eggs, ovals represent eggs slightly inclined vertically and the oval that lies with its long axis parallel to the substrate represents an egg found in that position.