Holle Cropper-pouter pigeon ( Holle Kropper )

Amsterdamer Kröpfer - Boulant d'Amsterdam - Holle Cropper

The Holle Cropper pigeons ( also known as the Amsterdam Balloon Cropper) is a breed of fancy pigeon developed over many years of selective breeding. Holle Croppers, along with other varieties of domesticated pigeons are all descendants from the rock pigeon (Columba livia). This breed was developed in Holland.