Figure 17.
Images showing (a) a woodpecker’s head and beak; (b) tongue wrapping around the brain to provide extra protection from impact; (c) SEM image of spongy bone situated in between brain and beak that absorbs impact (pink area in part (a)); and (d) schematic of bone showing 1—spongy bone; 2—compact bone. Images adopted CC BY-NC from Science China Press and asknature.org (Accessed on 12 February 2024) [255].
