Assertion: hummingbird | /r/CapableOf | retract their feet
Facets:
value: to eliminate skin exposure
type: PURPOSE
value: in cold climates
type: LOCATION
value: into breast feathers
type: TRANSITIVE-OBJECT
Source sentences:
text: In cold climates, hummingbirds retract their feet into breast feathers to eliminate skin exposure and minimize heat dissipation.