Assertion: wren's egg | /r/HasProperty | incubated for 12 to 18 days
Facets:
value: by the female
type: OTHER
value: by both parents
type: OTHER
value: depending on the species
type: OTHER
Source sentences:
text: The eggs are incubated for 12 to 18 days by the female alone, or by both parents, depending on the species.