Assertion: falcon's population | /r/CapableOf | recover since the ban of ddt
Facets:
value: in the 1970
type: TEMPORAL
Source sentences:
text: The peregrine falcon (Falco peregrinus) became an endangered species due to the use of pesticides, but populations are recovering since the ban of DDT in the 1970's (supported by extensive protection of nesting places and releases to the wild), and it was removed from the Endangered Species List in 1999.