Assertion: legged buzzard | /r/CapableOf | shift for alternative prey
Facets:
value: in the years
type: TEMPORAL
Source sentences:
text: In the North-West of Russia, rough-legged buzzards could feed on small rodents, in the years when rodent density is high, and shift for alternative prey (ptarmigans and hares) in the years when small rodents are scarce.