The slaty-headed parakeet (Psittacula himalayana), June 8, 2024, Dalhousie, HP

The slaty-headed parakeet (Psittacula himalayana) is the only psittacid species to exhibit altitudinal migration.
The species' range extends from Pakistan, to Western Himalayas in India through Nepal and Bhutan and up to the Eastern Himalayas in the northeastern Indian state of Arunachal Pradesh.