Nature, Revealed on-line: 17 Could 2022; doi:10.1038/d41586-022-01354-2
Climbing parrots put their heads to make use of as a 3rd limb.
Nature, Revealed on-line: 17 Could 2022; doi:10.1038/d41586-022-01354-2
Climbing parrots put their heads to make use of as a 3rd limb.