Derbyan/Lord Derby's Parakeet Psittacula derbiana

Derbyan Parakeet female
Derbyan Parakeet male
The Derbyan Parakeet, also known as Lord Derby's Parakeet, originates from China and southeastern Tibet. The female (above left) has an all black beak and the male (above right) has a red upper beak tipped with orange. The male generally has more strongly-coloured plumage than the female.
Derbyan Parakeet frowning
Female Derbyan Parakeet with cherry
Lord Derby's Parakeet male
Both male and female Derbyans have a large black moustache and a black line across the brow which makes them look as though they are frowning and ill-tempered.
Derbyan Parakeet
Derbyan Parakeet
Lord Derby's Parakeet
The Derbyan Parakeet is a little similar to the Moustached Parakeet (Psittacula alexandri) - see link below.
They are closely related, as are the other "Psittacula" long-tailed parakeets, the Ring-necked/Rose-ringed and the Alexandrine.
Derbyan Parakeet female
Derbyan Parakeet with cherry
Derbyan Parakeet
The cherry picker
Knock, knock "Knock, knock."
Derbyan female "Who's there?"
Tommy Cooper "Tommy Cooper."