Assertion: baby hummingbird | /r/HasAspect | feather
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: When the baby hummingbirds hatch, they have no feathers and dark skin.
text: Baby hummingbirds will usually have enough feathers to regulate their own body heat by about nine (9) days after hatching.
text: They have no feathers, and are very tiny in size.