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Tic eye is a phenotype found in many breeds of pigeon. This phenotype is common on pigeons expressing dirty.

Tic eye
Tic eye
Tic eye visible in a blue check pigeon.
Description White "tic" or patch of feathers directly behind the eye.
Genotype Unknown, possibly related to dirty.
Commonly found in breeds such as: Many

Description

A small "tic" or patch of white feathers directly behind the pigeon's eye.

Genotype

The genetic cause of tic eye is not currently known. The phenotype is frequently seen on pigeons expressing dirty, however it is not known whether or not tic eye is caused by a gene closely linked to dirty or is an effect of dirty (or one of its alleles).

History

See also

Pied - other white patch phenotypes