Assertion: raven's egg | /r/HasProperty | preyed by common grackles
Facets:
Source sentences:
text: Juvenile robins and eggs are preyed upon by squirrels, snakes, and some birds, such as blue jays, Steller’s jay, common grackles, American crows, and common ravens.
text: Juvenile robins and eggs are preyed upon by squirrels, snakes, and some birds, such as blue jays, California scrub jays, Steller's jay, common grackles, American crows, and common ravens.