Assertion: cockatoo's bird | /r/HasProperty | startled
Facets:
Source sentences:
text: In other instances, a raised crest may be a friendly greeting, a sign of curiosity, or used when the bird is startled.
text: Straight-up crest feathers can mean the bird is startled or highly curious.
text: Pay attention to a cockatoo's crest to learn about its mood: an erect crest means the bird is anxious or startled, and a relaxed crest suggests that all's good in birdie town.