Assertion: wild boar's number | /r/Causes | significant decline
Facets:
value: through the consumption of their eggs
type: MANNER
Source sentences:
text: In areas in which wild boar have been deliberately introduced, over time their considerable numbers have supplanted other species of pig, devastated the forest areas with their continuous excavations, and caused a significant decline in the numbers of species of reptiles, amphibians and terrestrial birds through the consumption of their eggs.