Assertion: tern's colony | /r/HasProperty | disturbed by predator
Facets:
Source sentences:
text: Incubation is by both sexes, and the eggs hatch in around 21–22 days, longer if the colony is disturbed by predators.
text: Incubation of the common tern is by each sex, and the eggs hatch in round 21–22 days, longer if the colony is disturbed by predators.