Movie 3.

Oblique horizontal view of a representative large-radius, high-friction trial.

Climbing parrots achieve pitch stability using forces and free moments produced by axial–appendicular couples

Lindsey L. Reader, David R. Carrier, Franz Goller, Michael R. Isaacs, Alexis Moore Crisp, Clinton J. Barnes, and David V. Lee

Journal of Experimental Biology 2022. 225:None-None; doi: 10.1242/jeb.242305