palm beg bend and stretch knee bend branch bend shrub bend shrub in courtship Copyright owner Toshisada Nishida Toshisada Nishida Takahisa Matsusaka Koichiro Zamma Toshisada Nishida Koichiro Zamma Toshisada Nishida Takahisa Matsusaka Toshisada Nishida Koichiro Zamma Toshisada Nishida Koichiro Zamma Toshisada Nishida Koichiro Zamma Toshisada Nishida Toshisada Nishida Toshisada Nishida Toshisada Nishida Toshisada Nishida Takahisa Matsusaka Koichiro Zamma Toshisada Nishida Takahisa Matsusaka Toshisada Nishida Toshisada Nishida Toshisada Nishida Toshisada Nishida Toshisada Nishida Koichiro Zamma 229 230 bite bite and pull hairs bite self bob bob bipedal bounce foot/feet up and down rhythmically bow brachiate break bone at joint break branch break branch with foot break tree bristle brush away from branch brush away from self brush-tip fishing prob care alloparentally care maternally catch with hand change nipple charge