Assertion: vulture's flight | /r/CapableOf | use thermal
Facets:
value: to maintain altitude
type: PURPOSE
Source sentences:
text: The flight of the greater yellow-headed is an example of static soaring flight, which uses thermals to maintain altitude without the need to flap its wings.
text: The flight of the lesser Yellow-Headed is an example of static soaring flight, which uses thermals to maintain altitude without the need to flap its wings.