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Fig. 8. Evidence for individual odor recognition in Antarctic prions. (A–C)
Each histogram shows the percentage of birds that chose a particular odor from
three Y-maze experiments. (A) Conspecific (CS) vs personal (Per.)
odor (N=22). (B) Conspecific vs partner (P) odor
(N=20). (C) Control vs personal odor (N=21). NC
indicates no-choice. P values were determined by a binomial test.
Note that experiments were not conducted sequentially but were dove-tailed
depending on the availability of birds. (D) Photograph of an Antarctic prion
(Pachyptila desolata). [Adapted from Bonadonna and Nevitt
(Bonadonna and Nevitt,
2004).]