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Figure 1


Fig. 1. Odour preferences of Leach's storm-petrel (Oceanodroma leucorhoa) chicks. (A) Experiment 1 (own burrow material versus similar colony material); OWN, own burrow material; COL, colony material; NC, no choice (N=24, binomial test, P<0.001). (B) Experiment 2 (own burrow material versus conspecific's burrow material); OWN, own burrow material; CON, the burrow material of a conspecific; NC, no choice (N=39, binomial test, P=0.05).