Is it a turtledove or a pigeon with a blue-purple pattern on its neck?

Turtledove Turtledove has blue and purple patterns on its neck, while pigeons are gray or white, so turtledove has blue and purple patterns on its neck. Turtle dove, also known as pigeon, is smaller than domestic pigeon and distributed in tropical areas of Africa and South Asia. Pigeon is a good bird, with many varieties and colorful feathers, and mainly feeds on cereals.