Repeated sightings of Alexandrine parakeet Psittacula eupatria in Rome (Central Italy) and its likely acclimatization

Angelici, Francesco M.; Fiorillo, Alessandro

doi:10.4081/rio.2015.211

Cited by 3 publications

(1 citation statement)

References 5 publications

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“…The population of AP in Reggio Emilia is the largest in Italy, with a second one in Rome counting for 4-6 individuals and hybrids with RNP (Ancillotto et al, 2015;Angelici & Fiorillo, 2015). The settlement of AP in Reggio Emilia has occurred 3 years after the first sightings of RNP in the same town.…”

Section: Discussionmentioning

confidence: 99%

Population counts and potential impact of two successful invaders in a town of Northern Italy: the case of ring-necked parakeet and Alexandrine parakeet in Reggio Emilia

Viviano¹,

Mori²

2021

Nat Hist Sci

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In our paper, we reported the presence of two alien species in the city of Reggio Emilia, the ring-necked parakeet Psittacula krameri and the Alexandrine parakeet Psittacula eupatria. The ring-necked parakeet is widespread throughout Europe with many colonies known also for Italy, whereas the Alexandrine parakeet has been only recorded in the last 10-15 years and, apart from few individuals in Rome, the breeding population in Reggio Emilia is the largest one in Italy. We carried winter counts following standard methods through counts at roosts. About 78-80 ring-necked and at least 16 Alexandrine parakeets were counted, including also some hybrids between the two species, which were morphologically identified by the pale colour of the shoulders. Although no claims of crop damage are yet reported, parakeets of both species may feed on ripe and unripe persimmons in private gardens, reducing the total fruit production by up to 75-80%. Furthermore, four Savi’s pipistrelle Hypsugo savii have been killed by ring-necked parakeets in early spring 2019. Therefore, the current trend of these species in the town could lead to further expansion into suburban farmland areas, increasing potential conflicts with human activities.

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Section: Discussionmentioning

confidence: 99%

Population counts and potential impact of two successful invaders in a town of Northern Italy: the case of ring-necked parakeet and Alexandrine parakeet in Reggio Emilia

Viviano¹,

Mori²

2021

Nat Hist Sci

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An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range

et al. 2015

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Parrots and parakeets (Aves, Psittaciformes) are prominent among avian invaders, as more than 16% of living species are currently breeding with at least one population outside their native range. Most studies have been carried out on ring-necked and monk parakeets, as they are the most successful invasive parrots globally. Recently, however, reports of invasive Alexandrine parakeet Psittacula eupatria have increased. Here, we summarize the current knowledge on the current occurrence of Alexandrine parakeets outside the natural range and assess the degree of niche conservatism during the invasion process. Our results show that Alexandrine parakeets have established invasive populations predominantly in Europe, parts of the Middle east and Far Eastern countries such as Japan and Singapore. During the ongoing invasion of Europe, the Alexandrine parakeet considerably expanded its niche into colder climates with respect to those occupied in the native range. Our results offer some support to the hypothesis that interspecific facilitation with previously established ring-necked parakeets Psittacula krameri may contribute to niche expansion and invasion success of congeneric Alexandrine parakeets. Species Distribution Models including both native and invaded range occurrence data predict a high invasion risk across multiple parts of the globe where the species iscurrently not yet present, thus indicating a high potential for the species for further invasion success and range expansion.

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Psittacula eupatria (Alexandrine parakeet)

Mori¹,

Viviano²,

Ancillotto³

2021

CABI Compendium

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Repeated sightings of Alexandrine parakeet Psittacula eupatria in Rome (Central Italy) and its likely acclimatization

Cited by 3 publications

References 5 publications

Population counts and potential impact of two successful invaders in a town of Northern Italy: the case of ring-necked parakeet and Alexandrine parakeet in Reggio Emilia

Population counts and potential impact of two successful invaders in a town of Northern Italy: the case of ring-necked parakeet and Alexandrine parakeet in Reggio Emilia

An overlooked invader? Ecological niche, invasion success and range dynamics of the Alexandrine parakeet in the invaded range

Psittacula eupatria (Alexandrine parakeet)

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