The duck with a pointy tail is called Northern pintail. It is a duck that is commonly found in North America, Asia and the northern areas of Europe. Its scientific name is Anas acuta which is a Latin word – anas means duck and acuta means sharpen (referring to the pointed tails of the ducks). Northern pintails are large ducks which have blue-grey bills and grey feet and legs.
They have a wingspan between 31 to 37 inches and a wing chord between 9 to 11 inches. A male Northern pintail can grow up to 25 inches long and weigh between 0.99 to 3 pounds while a female Northern pintail can grow up to 25 inches long and weigh between 1 to 2.5 pounds.