Assertion: hummingbird's tail feather | /r/CapableOf | make like rudder
Facets:
value: dainty feet for perching
type: PURPOSE
Source sentences:
text: Large eyes pick up as many colors as human eyes do, plus ultraviolet light; Lead edges of wings create tornado-like vortexes to help with hovering; Tongues act as thin pumps that contract to draw in nectar; Dainty feet for perching only, since hummingbirds don’t walk or hop; Sturdy tail feathers used like rudders to make hairpin turns; A rufous hummingbird sips nectar from a Pride of Madeira bloom.
text: Large eyes pick up as many colors as human eyes do, plus ultraviolet light; Lead edges of wings create tornado-like vortexes to help with hovering; Tongues act as thin pumps that contract to draw in nectar; Dainty feet for perching only, since hummingbirds don’t walk or hop; Sturdy tail feathers used like rudders to make hairpin turns; A rufous hummingbird sips nectar from a Pride of Madeira bloom.