Assertion: duck's duckling | /r/HasProperty | born
Facets:
Source sentences:
text: When the ducklings are born and for the short period after that, they practice a behavior known as “imprinting” where the behavior of the parent is followed like a “metaphorical stamp.
text: As said in the previous section, ducks are precocial species because of which ducklings are born with their eyes open and already have down feathers to stay warm.