Figure 10 in Evolution of the brain and sensory organs in Sphenisciformes: new data from the stem penguin Paraptenodytes antarcticus

Figure 10. Log-log plots of A, total endocranial volume and body size; B, cerebral volume and body size; C, cerebral volume and total endocranial volume. Closed circles indicate penguin taxa. Paraptenodytes is shown as a closed star. All other avian taxa are indicated by open circles. Dashed lines indicate 95% confidence intervals.