The Zitterhall , also called Stargard Shaker (German name: Stargarder Zitterhals, French name: Trembleur de Stargard), is a breed

Breed

A breed is a group of domestic animals or plants with a homogeneous appearance, behavior, and other characteristics that distinguish it from other animals or plants of the same species. Despite the centrality of the idea of "breeds" to animal husbandry, there is no scientifically accepted...

 of fancy pigeon developed over many years of selective breeding

Selective breeding

Selective breeding is the process of breeding plants and animals for particular genetic traits. Typically, strains that are selectively bred are domesticated, and the breeding is sometimes done by a professional breeder. Bred animals are known as breeds, while bred plants are known as varieties,...

. Originally developed in Pomerania. Zitterhals have curved swan-like necks that tremble or shake in a way similar to Fantail

Fantail (pigeon)

The Fantail is a popular breed of fancy pigeon. It is characterised by a fan-shaped tail composed of 30 to 40 feathers, abnormally more than most members of the pigeon family, which usually have 12 to 14 feathers. The breed is thought to have originated in India, China or Spain. There are several...

pigeons. A Zitterhals pigeon was one of the champions at the 2007 NPA Grand Nationals.