The Rose-ringed Parakeet (Psittacula krameri), also known as the Ring-necked Parakeet, is a gregarious tropical parakeet species that is popular as a pet. Its scientific name commemorates the Austrian naturalist Wilhelm Heinrich Kramer.
This non-migrating species is one of few parrot species that have successfully adapted to living in 'disturbed habitats', and in that way withstood the onslaught of urbanisation and deforestation. In the wild, this is a noisy species with an unmistakable squawking call.
As is the case with all Psittacula (Afro-Asian Ringnecked Parakeet) species, the Rose-ringed Parakeet is sexually dimorphic. The adult male sports a black neck-ring and pink nape-band while the hen and immature birds of both sexes either show no neck rings, or display shadow-like pale to dark grey neck-rings and light (lighter coloured than surroundings) nape-bands.
Rose-ringed Parakeets measure on average 40 cm (16 inches) long including the tail feathers. Its average single wing length is about 15–17.5 cm (6-7 inches). The tail accounts for a large portion of their total length.
The European populations became established during the mid to late 20th Century from introduced and escaped birds. There are two main population centres in Britain: the largest is based around south London, where they can be regularly seen in places such as Battersea Park, Richmond Park, and Hampstead Heath; the smaller population can be seen in Esher and Berkshire, and by 2005 consisted of many thousands of birds, known as the Kingston parakeets. The winter of 2006 saw three separate roosts of circa 6000 birds around London A smaller population occurs around Margate, Broadstairs and Ramsgate, Kent. Elsewhere in Britain, smaller feral populations have established from time to time (e.g., at Studland, Dorset, Kensington Gardens, and South Manchester). It has been suggested that feral parrots could endanger populations of native British birds, and that the Rose-ringed Parakeet could even be culled as a result.