Snap

from Wikipedia, the free encyclopedia

Sniff is

a badge on the horse's head: Schnippe (horse)
a badge on the head of pigeons: Schnippe (dove)

Schnippe stands for the colored pigeons :

Saxon Schnippe (D / 0472)
South German Schnippe (D / 0441)
Thuringian Schnippe (D / 0460)