Rose-ringed parakeet (Psittacula krameri), also known as the ring-necked parakeet, is a gregarious tropical Afro-Asian parakeet species that has an extremely large range.he rose-ringed parakeet is sexually dimorphic. The adult male sports a red or black neck-ring and the hen and immature birds of both sexes either show no neck rings, or display shadow-like pale to dark grey neck rings. Indian rose-ringed parakeets measure on average 40 cm (16 in) in length including the tail feathers, a large portion of their total length. Their average single wing length is about 15–17.5 cm (5.9–6.9 in). In the wild, this is a noisy species with an unmistakable squawking call and a distinctive green colour. It is herbivorous and non-migrating. Bundala National Park - Sri Lanka.