Assertion: cardinal's range | /r/CapableOf | expand since early 1800s
Facets:
value: northward
type: LOCATION
value: because of the presence of bird feeders
type: CAUSE
value: because of milder winter temperatures
type: CAUSE
value: because of increased nesting habitat
type: CAUSE
Source sentences:
text: That range has expanded northward since the early 1800s, likely because of milder winter temperatures, increased nesting habitat, and the presence of bird feeders.