Assertion: eagle's food | /r/HasProperty | water birds
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Despite the remaining presence of both other eagle species in the area, competition is probably not the driver for the imperial eagle altering its nesting habits but instead it is likely due to the heavy human-caused depletion of the imperial eagles preferred prey of ground squirrels and hamsters in the area, with the wetland-located nests putting them close to currently reliable alternate primary foods, mainly water birds.