Assertion: brown pelican | /r/CapableOf | suffer population declines
Facets:
value: from direct exposure to pesticides
type: CAUSE
value: in 1970s
type: TEMPORAL
value: due to death
type: CAUSE
value: in the 1960s
type: TEMPORAL
value: from reproductive failure
type: CAUSE
Source sentences:
text: White pelicans and brown pelicans also suffered population declines in the 1960s and 1970s due to death from direct exposure to pesticides and from reproductive failure due to eggshell thinning.