New records of invasive Parakeet hybrids in Spain. A great opportunity to apply the rapid response mechanism

Postigo, Jose-Louis

doi:10.1515/eje-2016-0013

Cited by 6 publications

(6 citation statements)

References 12 publications

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“…2009). Hybridization among congeneric introduced parrot species has frequently been reported in the USA and Europe (Mabb 1997, Krause 2004, Toft & Wright 2015, Postigo 2016, Martens & Woog 2017, Mori et al . 2017).…”

Section: Methodsmentioning

confidence: 99%

Successful hybridization between non‐congeneric parrots in a small introduced population

Hernández‐Brito¹,

Tella²,

Carrete

et al. 2021

Ibis

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Introduced organisms have to overcome several obstacles, including the scarcity of conspecific mates, before becoming successfully established. We recorded interspecific mating in non‐native areas (Spain) that involved Orange‐winged Amazons Amazona amazonica with three non‐congeneric parrot species: Scaly‐headed Parrot Pionus maximiliani, Rose‐ringed Parakeet Psittacula krameri and Monk Parakeet Myiopsitta monachus. Rather than mating with parakeets, a male Orange‐winged Amazon successfully bred with a female Scaly‐headed Parrot, raising hybrid offspring during five consecutive years and thus increasing the initial population size from five to 12 individuals in 9 years. Non‐congeneric hybridization seems to be extremely rare in wild parrots and, in this case, it may facilitate the successful establishment of a small introduced population in Tenerife, Spain.

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Section: Methodsmentioning

confidence: 99%

Successful hybridization between non‐congeneric parrots in a small introduced population

Hernández‐Brito¹,

Tella²,

Carrete

et al. 2021

Ibis

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“…Thus, during the first two phases ringnecked parakeets could still get reproduced, and the total number of captured birds (n = 107) was higher than the initial counted population (n = 70). For this reason and taking into account the high reproductive success of the species, permitting rapid natural increase and spread of their populations (Strubbe and Matthysen 2009), any control or eradication project must be carried as soon as possible (Genovesi et al 2015;Postigo 2016).…”

Section: Ring-necked Parakeet Managementmentioning

confidence: 99%

Control of invasive ring-necked parakeet (Psittacula krameri) in an island Biosphere Reserve (La Palma, Canary Islands): combining methods and social engagement

Saavedra

Medina

2020

Biol Invasions

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The ring-necked parakeet (Psittacula krameri) has been naturalised in La Palma Island Biosphere Reserve since the late 1990s. Due to landowners' complaints about the impact of parakeets on crops, a control scheme was implemented to eliminate the known population, initially estimated at 70 birds. The programme finally comprised three different phases. Between December 2015 and September 2016, 107 parakeets were removed by trapping using 14 decoy traps. Due to inefficient handling and trap shyness developed by the parakeets, traps were removed from October 2016 to November 2017, with at least 20 parakeets remaining in the wild. The control measures restarted in December 2017; 34 parakeets were counted and 13 were trapped. Since the parakeets had started to breed, the method was changed from trapping to shooting, to remove the last 34 parakeets. In total, during the entire project (December 2015-May 2018), 175 ring-necked parakeets were managed: 154 removed from the environment, 1 handed over to the project staff, and 20 registered by authorities as pets. Considering the undetermined number of ring-necked parakeets kept as pets on the island, an early detection and rapid response system has been set up by the island council, engaging public workers and volunteers to investigate and control new escapes. This project is one of the few cases worldwide where naturalised breeding populations of this invasive species have been successfully eliminated from the environment. Negative effects on biodiversity and human interests were thus minimized, and especially important, this was achieved without generating any social conflict.

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“…For example, the mallard duck affects the genetic pool of endangered species such as Hawaiian duck Anas wyvilliana, the African black duck A. sparsa, and the Meller's duck A. meller (Fowler et al 2009). Some of the species assessed in the present study, such as the rose-ringed parakeet, are bred in captivity, and the wild populations of hybrids for this species are relatively rare or have few populations (Postigo 2016).…”

Section: Impact Assessmentmentioning

confidence: 99%

Impact assessment of seven alien invasive bird species already introduced to South Africa

Shivambu

Downs

2020

Biol Invasions

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Globally, various avian species have been introduced accidentally and deliberately by humans through different pathways. Some of these species were able to establish, multiply, and become invasive. In this study, we identified areas that are climatically suitable for seven introduced invasive bird species and assessed the environmental and socio-economic impacts associated with the selected bird species in South Africa. We used present distribution records to predict potential climatic suitability distributions and used the Generic Impact Scoring Scheme to assess the impacts associated with seven invasive bird species in South Africa. We found that all the seven species were climatically suitable to South Africa and Passer domesticus, Sturnus vulgaris, and Anas platyrhynchos each had relatively large climatic suitability distributions. The climatic suitability for all the species was within their occurrence ranges in and outside South Africa. For impact assessments, we found that all seven selected species had impacts, with A. platyrhynchos, Acridotheres tristis, Columba livia, and Psittacula krameri having the highest overall impacts respectively. The socio-economic impact ranked higher than environmental impact for all species. The socio-economic impacts were frequently through agricultural production and human infrastructure, while the environmental impact was mostly through impacts of birds on other animals and competition. These need to be incorporated in decision-making and eradication plans for these alien invasive birds in South Africa.Keywords Alien invasive birds Á Climatic matching Á GISS Á Environmental impact Á Socioeconomic impacts Á Impact assessment

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New records of invasive Parakeet hybrids in Spain. A great opportunity to apply the rapid response mechanism

Cited by 6 publications

References 12 publications

Successful hybridization between non‐congeneric parrots in a small introduced population

Successful hybridization between non‐congeneric parrots in a small introduced population

Control of invasive ring-necked parakeet (Psittacula krameri) in an island Biosphere Reserve (La Palma, Canary Islands): combining methods and social engagement

Impact assessment of seven alien invasive bird species already introduced to South Africa

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