Assertion: nightingale's family | /r/HasProperty | restricted to the old world
Facets:
value: mostly
type: DEGREE
Source sentences:
text: There are three hundred one species of chats, flycatchers, wheatears, and robins, in fifty three genera in the Muscicapidae (pronounced mus-kih-KAP-uh-dee), a large family mostly restricted to the Old World (IOC World Bird List, version 2.3).