Assertion: ferret's litter | /r/HasProperty | born
Facets:
value: between march
type: TEMPORAL
value: between april
type: TEMPORAL
Source sentences:
text: The basic social unit is thought to be a mated pair and their offspring, and the young of the previous year are believed to remain in the family even after a new litter is born.
text: In the wild, mating usually occurs between January and February for litters to be born between March and April.
text: The normal gestation period is 50 to 60 days, before a litter of one to four kittens is born.
text: A jill and a hob may be kept together, although they may fight when a litter is born and are best separated for this period.
text: They remain with their mother until the next litter is born.