Based on recent analysis, how far north might the historical range of the species have extended?

Answer

Perhaps as far north as New York and Wisconsin.

Recent paleontological and museum data indicate their historical range extended much further north than previously confirmed, perhaps reaching as far north as New York and Wisconsin, especially during warmer climatic periods.

Based on recent analysis, how far north might the historical range of the species have extended?
speciesbirdextinctioncharacteristicParakeet