Figure 1 in The Woodcock's head: Resolving a morphological oddity using geometric morphometrics

Figure 1. Different ways in which the skull of the woodcock has been oriented to interpret its anatomy in lateral view. A. As it leans over a table (modified from, Cobb, 1959). Notice how the ear (E) lies nearly anterior to the eye (orbits), and how the latter seem to orient as to direct sight relatively backwards. B. As the bird is flying, as suggested in (and modified from) Thompson (1942). Notice that Thompson argued that the cranial floor (CF) in this posture is horizontal, yet no bone is alluded as to demarcate de basis cranii [sic]. C. As the bird is in alert, as measured by Duijm (1951) in a zoo. Notice that in such head posture of alert the lateral semicircular canal (LSC) in the woodcock is tilted approximately13° (i.e., it is not horizontal when the woodcock is in alert). Interestingly, if the skull is rotated those 13°, head posture matches Thompson's flight orientation.