Table 1.
Detailed information of the 15 focal individuals, which participated in the sibling recognition experiment as well as the randomly chosen sibling targets.
Figure 1.
Percentage of correct and wrong choices of all 15 focal individuals on the penultimate and ultimate day of the recognition task.
81.25% and above marks a performance above chance (dotted line). Asterisks mark significant differences: p<0.001.
Table 2.
Performance of the 15 focal individuals on the penultimate and ultimate days when goslings passed the task, or of the 40th and 41st days of the individuals that did not pass (DNP) the task in the allotted time.
Table 3.
Statistical results of the generalized linear mixed model (GLMM) to determine possible influences on the performance in the recognition task.
Figure 2.
Percentage of correct choices of family groups A, B, and C on the penultimate and ultimate day of the recognition task.