Assertion: platypus's egg | /r/HasProperty | incubated for around 10 days
Facets:
Source sentences:
text: The platypus breeds in spring, laying between 1 and 3 eggs which are incubated for around 10 days.
text: The egg is incubated for another 10 days before the tiny offspring hatches with the aid of an egg tooth and fleshy bulb (caruncle)—structural holdovers from the creature