It also said Israel must comply with the Fourth Geneva Convention, which states that occupying powers shouldn't transfer parts of its civilian population into territory it occupies.

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Not only does this increase the political popularity of the program and provide a way to transfer some of the gains of immigration to the native born population, but it also serves as an enforcement mechanism.

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This is not surprising, since more than half of the adult population is either working in the public sector or living on some form of social transfer payment.

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Conservation efforts and trap-and-transfer programs, in which turkeys were caught and moved to under-populated areas, brought the population back to healthy levels by the 1960s.

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