Assertion: pelican's crest | /r/AtLocation | the top of the beak
Facets:
value: during the mating season
type: TEMPORAL
Source sentences:
text: A characteristic feature of the American white pelican is that during the mating season, a vertical triangular crest of orange color grows on the top of the beak.
text: A characteristic feature of the American white pelican is that during the mating season, a vertical triangular crest of orange color grows on the top of the beak.