Assertion: anhinga's head | /r/HasProperty | moved above the water
Facets:
value: jerkily
type: MANNER
Source sentences:
text: They usually forage singly, with the entire body submerged, swimming slowly forward using their webbed feet while the head and neck is moved jerkily above the water.
text: They usually forage singly, with the entire body submerged, swimming slowly forward using their webbed feet while the head and neck is moved jerkily above the water.
text: They usually forage singly, with the entire body submerged, swimming slowly forward using their webbed feet while the head and neck is moved jerkily above the water.