Fig. 3From: Femoral mechanical performance of precocial and altricial birds: a simulation studyOntogenetic changes of the strain, stress, and SED of femora. P pigeon, T Cabot’s Tragopan, A axial loading, R radial loading. Symbols filled in black and red indicate the results of axial and radial load analysis, respectively. Different parameters are distinguished by the shape of the symbols (As shown in the legend)Back to article page