Ella F. Cole, Julie Morand-Ferron, Amy E. Hinks, John L. Quinn 

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Cognitive Ability Influences Reproductive Life History Variation in the Wild  Ella F. Cole, Julie Morand-Ferron, Amy E. Hinks, John L. Quinn  Current Biology  Volume 22, Issue 19, Pages 1808-1812 (October 2012) DOI: 10.1016/j.cub.2012.07.051 Copyright © 2012 Elsevier Ltd Terms and Conditions

Figure 1 Problem-Solving Performance and Reproductive Performance in the Great Tit (A) Clutch size varied with the number of solver parents at the nest. Analysis was restricted to nests where the problem-solving performance (PSP) of both parents was known (n = 136 pairs; both parents nonsolvers, n = 49; one solver parent, n = 65 [male only, n = 33; female only, n = 32]; two solver parents, n = 22). Clutch size was averaged across multiple individual breeding attempts for illustration. ∗∗p < 0.01; ∗p < 0.05; ns, p > 0.05. (B) Number of fledglings and probability of fledging any offspring varied between solver and nonsolver females. Open circles indicate the average number of fledglings produced by nonsolver and solver females, based on nests where at least one nestling fledged (n = 214 individuals; nonsolvers, n = 132; solvers, n = 82). Where a female bred in successive years, fledgling number was averaged across breeding attempts for the sake of illustration. Black circles indicate the probability of fledging any young successfully from the nest. Plotted success data are back-transformed mean effects from a GLMM with a binomial error structure (n = 382 breeding attempts for 246 individuals; nonsolvers, n = 147; solvers, n = 99). Error bars represent SEM. Current Biology 2012 22, 1808-1812DOI: (10.1016/j.cub.2012.07.051) Copyright © 2012 Elsevier Ltd Terms and Conditions

Figure 2 Home Range Sizes of Individual Great Tits When Provisioning Offspring Harmonic mean-centered contour home ranges within part of Wytham Wood (gray area enclosed by dashed line). Individual nests within each panel are indicated by different patterns; nests in which both parents were tracked (n = 3 nests) are indicated by the same pattern across panels. White areas are farmland. Data are from n = 11 individuals from n = 8 nests. (A) Solver great tits. (B) Nonsolver great tits. Current Biology 2012 22, 1808-1812DOI: (10.1016/j.cub.2012.07.051) Copyright © 2012 Elsevier Ltd Terms and Conditions