Assertion: macaw's population | /r/HasProperty | descended
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Source sentences:
text: The existing captive population is descended from just 7 wild caught founder birds, which are believed to have all come from just two wild nests that existed post 1982: pairs originally owned by Birds International in the Philippines, Dr. Hammerli in Switzerland, and Wolfgang Keissling (Loro Parque), and a male from the São Paulo Zoo.