Assertion: barred owl's nest | /r/HasProperty | built by a cooper's hawk
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Source sentences:
text: Judge John N. Clark (1887) writes of a nest near Saybrook, Conn., built by a Cooper's hawk, 80 feet from the ground in a giant chestnut tree, which was occupied during four successive years by the Cooper's hawk, a great horned owl, a red-tailed hawk, and a barred owl.