Figure 1 | Scientific Reports

Figure 1

From: An integrative measure of cognitive performance, but not individual task performance, is linked to male reproductive output in budgerigars

Figure 1

Females do not pair with social mates based on cognitive performance. (a) Distribution of the composite cognitive score of budgerigar males (N = 30). (b) Composite cognitive scores did not differ between unpaired (N = 18) and paired males (N = 12) at the stage of choice for a social mate. Open circles represent each male, bars indicate the median across individuals in each group. (c) Devices employed to assess cognitive abilities in male budgerigars. Top to bottom: problem-solving task; setup for testing spatial memory (colored plastic served as landmarks); seed discrimination task (seed husks were glued to the petri dish); detour-reaching task. (d) Spearman rank correlations between performance in the 4 cognitive tasks. The cognitive measures compared were problem-solving score, maximum seed discrimination efficiency, detour-reaching score, and average number of errors in the spatial memory task. Blue indicates positive associations and red indicates negative associations. Numbers inside bubbles are the correlation coefficients. Number of pairwise comparisons ranged between 12 and 27. Correlations were not significant after the Bonferroni correction (α level of significance = 0.05/6 = 0.008).

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