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Fig. 2 | Animal Biotelemetry

Fig. 2

From: Comparative egg attendance patterns of incubating polar petrels

Fig. 2

Comparative egg temperature and turning activity in a a snow petrel nest without egg neglect, b snow petrel nest with egg neglect, and c Cape petrel nest. Birds incubated artificial eggs with data loggers containing sensors to measure turning activity (black lines) and core egg temperatures (red lines). In b, egg neglect was denoted by a drop in egg temperature and lack of turning activity over 4 days. There was unexplained turning activity (spikes) that may have resulted from periodic visits by a parent to check the egg

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