Assertion: trumpeter swan's nest | /r/HasProperty | built in 4 - 9 days
Facets:
Source sentences:
text: Built in 4 - 9 days before egg laying starts, the nest reaches 8 inches in height, 10 - 20 inches across at the base, with a cup measuring 7.5 - 15 inches wide and 4 - 8 inches deep.