Volunteers build, place and monitor bluebird nest boxes in local parks and open spaces, in order to provide safe nest sites for bluebirds, which have suffered population decline in recent years through habitat loss and nest-site competition from aggressive non-native birds.
(Volunteers; build; ) (Volunteers; place; ) (Volunteers; monitor; bluebird nest boxes; L:in local parks and open spaces) (bluebirds; have suffered; population decline; T:in recent years)
Volunteers Volunteers Volunteers bluebirds
build place monitor have suffered
bluebird nest boxes L:in local parks and open spaces
population decline T:in recent years