Assertion: european starling | /r/HasProperty | introduced
Facets:
value: because of competition for nest sites
type: CAUSE
Source sentences:
text: People may recall that bluebirds declined in the early part of the last century after European starlings and house sparrows were introduced.
text: Being an introduced species, European starlings are exempt from the Migratory Bird Treaty Act.
text: It has affected native species where it has been introduced because of competition for nest sites.
text: While the Migratory Bird Treaty Act protects wild birds from human interference, the European starling is one of three species excluded, since it is an introduced species and not a native one.