noun, plural pin·tails, (especially collectively) pin·tail.
Examples from the Web for pintail
The Pintail's skipper never left the bridge for thirty-six hours.
The movements of Pintail, as just stated, are clearly regulated by the state of water in the marshes.Wild Spain (Espaa agreste)|Abel Chapman
Among the earliest of the birds to forsake the plains of Hindustan are the grey-lag goose and the pintail duck.A Bird Calendar for Northern India|Douglas Dewar
Just before noon on the following day the Pintail passed close to a water-logged ship's boat.
The Pintail is an occasional autumn and Winter visitant, but never very common.Birds of Guernsey (1879)|Cecil Smith