In their research paper, the researchers noted that every year thousands of parrots belonging to various species can be found on the streets of Polish towns and villages. They emphasised that for the most part they are represented by birds that have escaped from their owners.
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These data were obtained by scientists on the basis of analysing groups in social networks, where lost animals are reported. According to their calculations, the number of escaped birds in the period from the end of 2018 to the end of 2019 and for several months of 2021 is estimated at almost 2.7 thousand parrots, among which there are representatives of 49 species. The vast majority is accounted for by corellas of the species Nymphicus hollandicus, of which there were just under a thousand, as well as waved parrots of the species Melopsittacus undulatus, the number of which was estimated at around 900 individuals.
