Assertion: great auk's egg | /r/HasProperty | incubated around 27 days
Facets:
Source sentences:
text: Eggs are usually laid at two-day intervals, incubated around 27 days, and hatch asynchronously over a period of several days.
text: Eggs are usually laid at two-day intervals, incubated around 27 days, and hatch asynchronously over a period of several days.