Assertion: robin's set | /r/LocatedNear | site
Facets:
Source sentences:
text: For most songbirds these are distinct learning phases: (1) as nestlings, birds memorize the songs of their neighborhoodsin birds, the set of adjacent territories or display sites surrounding a focal territory or site>; then (2) as juveniles, they move to a new territory and practice those songs until they can masterfully defend a territory.