Assertion: winged hawk | /r/HasProperty | b. platypterus
Facets:
Source sentences:
text: The broad-winged hawk (B. platypterus), a crow-sized hawk, gray-brown with a black-and-white-banded tail, is found in eastern North America, where it migrates in large flocks.
text: The broad–winged hawk (B. platypterus) is also noted for its large migrations: in one day (September 14, 1979), 21,448 broad–winged hawks passed over Hawk Mountain, Pennsylvania.