Assertion: canvasback's food | /r/HasProperty | scarce
Facets:
Source sentences:
text: Deeper bodies of water with healthy ecosystems are most likely to support tufted ducks, though they will occasionally be found in urban or suburban parks as well, particularly in winter when other bodies of water may be frozen and food is scarce.
text: If food is scarce, a duck's range may change accordingly to find more abundant food sources.
text: If food is scarce, a duck's range may change accordingly to find more abundant food sources.
text: This habit provides a meal for whoever finds the hidden morsel, and also ensures extra supplies along customary feeding routes when food is scarce.