Assertion: kingfisher's egg | /r/HasProperty | incubated by the male
Facets:
value: for about 17 days
type: TEMPORAL
Source sentences:
text: 6-7 eggs are usually laid, and are incubated by both the male and female.
text: The clutch usually consists of 3 to 6 eggs, which are incubated by both the male and female for about 17 days.