1. Aagaard K, Lockwood JL (2016) Severe and rapid population declines in exotic birds. Biol Invasions 18:1667–1678
2. Ahmad S, Khan HA, Javed M, Rehman K-U (2012) An estimation of rose-ringed parakeet (Psittacula krameri) depredations on citrus, guava, and mango in Orchard Fruit Farm. Int J Agric Biol 14:149–152
3. Arizona Bird Committee (2018) Checklist of the birds of Arizona.
http://abc.azfo.org/lists/state_list.html
. Accessed 15 Dec 2018
4. Avery ML, Moulton MP (2007) Florida’s non-native avifauna. In: Witmer GW, Pitt WC, Fagerstone KA (eds) Managing vertebrate invasive species: proceedings of an international symposium. USDA/APHIS National Wildlife Research Center, Fort Collins
5. Avery ML, Shiels AB (2018) Staff publication 2037: monk and rose-ringed parakeets. USDA National Wildlife Research Center, Fort Collins