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How did agriculture change the populations of some Australian parrots?
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Psittaciform
Black-capped parakeet (Pyrrhura rupicola).
The development of agriculture in the interior of Australia has led to an increase in the populations of several psittaciform species, most notably the budgerigar and the corella (Cacatua sanguinea).1
This population growth is primarily attributed to the increased availability of water resulting from agricultural practices in the region. While some Australian seed-eating parrots are occasionally hunted or killed because they damage crops, the expansion of agricultural infrastructure has generally facilitated larger populations for these specific nomadic, grassland-inhabiting species.12