Assertion: canvasback | /r/CapableOf | nest over water
Facets:
value: on permanent prairie marshes
type: LOCATION
Source sentences:
text: It prefers to nest over water on permanent prairie marshes surrounded by emergent vegetation, such as cattails and bulrushes, which provide protective cover.
text: It prefers to nest over water on permanent prairie marshes surrounded by emergent vegetation, such as cattails and bulrushes, which provide protective cover.