Editing Peregrine falcon (section)

===Recovery efforts===
Peregrine falcon recovery teams breed the species in captivity.<ref name=RDigest/> The chicks are usually fed through a chute or with a [[hand puppet]] mimicking a peregrine's head, so they cannot see to [[Imprinting (psychology)|imprint]] on the human trainers.<ref name=DOI95/> Then, when they are old enough, the rearing box is opened, allowing the bird to train its wings. As the fledgling gets stronger, feeding is reduced, forcing the bird to learn to hunt. This procedure is called [[Hack (falconry)|hacking back to the wild]].<ref name=Aitken2004/> To release a captive-bred falcon, the bird is placed in a special cage at the top of a tower or cliff ledge for some days or so, allowing it to acclimate itself to its future environment.<ref name=Aitken2004/>

Worldwide recovery efforts have been remarkably successful.<ref name=RDigest/> The widespread restriction of DDT use eventually allowed released birds to breed successfully.<ref name=DOI95/> The peregrine falcon was removed from the [[United States|U.S.]] [[Endangered Species]] list on 25 August 1999.<ref name=DOI95/><ref name=Henny1981/>

Some controversy has existed over the origins of captive breeding stock used by [[the Peregrine Fund]] in the recovery of peregrine falcons throughout the contiguous United States. Several peregrine subspecies were included in the breeding stock, including birds of Eurasian origin. Due to the [[local extinction]] of the eastern population of ''Falco peregrinus anatum'', its near-extinction in the Midwest, and the limited gene pool within North American breeding stock, the inclusion of non-native [[subspecies]] was justified to optimize the [[genetic diversity]] found within the species as a whole.<ref name=Cade2003/>

During the 1970s, peregrine falcons in Finland experienced a [[population bottleneck]] as a result of large declines associated with [[bio-accumulation]] of [[organochloride]] pesticides. However, the genetic diversity of peregrines in Finland is similar to other populations, indicating that high dispersal rates have maintained the genetic diversity of this species.<ref>{{cite journal |author1=Ponnikas, S.|author2=Ollila, T. | author3=Kvist, L. | year=2017| title=Turnover and post-bottleneck genetic structure in a recovering population of Peregrine Falcons ''Falco peregrinus'' |journal=Ibis| volume=159 | issue=2 |pages=311–323 |doi=10.1111/ibi.12460 |url=http://urn.fi/urn:nbn:fi-fe2019040511233 }}</ref>

Since peregrine falcon eggs and chicks are still often targeted by illegal poachers,<ref name=scientific-web/> it is common practice not to publicise unprotected nest locations.<ref name=ABA2005/>