MOESM2 of Application of a computer vision technique to animal-borne video data: extraction of head movement to understand sea turtles’ visual assessment of surroundings

Additional file 2. The relationship between the carapace tilt angle on the sway (lateral) axis and horizontal head position. A significant relationship (y = 0.39x + 0.91, R2 = 0.13, N = 16915, F = 292, P < 0.01) indicates that turtles tended to move their heads to the side in which they were tilted.