Assertion: robin's set | /r/LocatedNear | focal territory
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.
text: In fact, research on Song Sparrows (Melospiza melodia) has revealed that young males learn more from listening in on interactions among neighborhoodin birds, the set of adjacent territories or display sites surrounding a focal territory or site males than from solo tutorin songbirds which do not develop their songs instinctively, one of the adults that a young bird listens to as a nestling and models its adult song on performances.