Assertion: ferruginous hawk | /r/HasProperty | b. regalis
Facets:
Source sentences:
text: Swainson's hawk, the red-tailed hawk (B. jamaicensis) and the ferruginous hawk (B. regalis) compete for territory, and defend territories against each other.
text: Two notable rough-legged hawks are the ferruginous hawk (B. regalis)—the largest North American buzzard