Rose-ringed parakeet

The rose-ringed parakeet ("Psittacula krameri") also known as the ring-necked parakeet, is a tropical species of bird, with a wide range in Africa and south Asia (the Indian subcontinent).
The rose-ringed parakeet is sexually dimorphic. The adult male has a red or black neck ring and the hen and immature birds of both sexes show little or no neck rings. Both sexes have a distinctive green colour. 
Rose-ringed parakeets measure on average in length, including the tail feathers, a large portion of their total length. Their average single-wing length is about . In the wild, this is a noisy species with an unmistakable squawk. Captive birds can be taught to speak. It is herbivorous and not migratory.