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Fig. 2 | Frontiers in Zoology

Fig. 2

From: Asian house rats may facilitate their invasive success through suppressing brown rats in chronic interaction

Fig. 2

Investigation time (mean ± SE, sec) spent by female R. norvegicus humiliatus or R. tanezumi on conspecific male urine samples between control and treatment groups in Experiment 1 (Exp1) (a) (n = 15 for test female rats of each species), and Experiment 2 (Exp2) (b) (n = 18 for test females of each species). Paired t-test or Wilcoxon signed-rank test; *p < 0.05, **p < 0.01

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