Assertion: harrier's prey | /r/HasProperty | scarce
Facets:
Source sentences:
text: Red-tailed hawks have an advantage in staple prey flexibility as aforementioned, while great horned owl populations can be stressed when preferred prey is scarce, especially when they rely on leporids such as hares and jackrabbits.
text: In warm climates, hunting time may be only one to two hours; in temperate winters, when prey is scarce, it can occupy five to seven hours.