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Pedal Claw Curvature in Birds, Lizards and Mesozoic Dinosaurs – Complicated Categories and Compensating for Mass-Specific and Phylogenetic Control

Figure 5

Pedal claw of Campephilus melanoleucus (Crimson-crested woodpecker).

Arrow indicates the constriction.

Figure 5

doi: https://doi.org/10.1371/journal.pone.0050555.g005