Roller canaries still have offspring from German walnuts.
Until now, the walnut of the German Roller or walnut is massively still reared on Mount Hartz.
This bird is also famous for its beautiful chirp, so it is not unfamiliar if this type of walnut became the most loved birds loved by the canaries lovers.
One of the advantages is in the form of feed selection.
Because the quality of feed will determine and greatly affect the shrewdness in the rhythm sounds when the bird is chirping.
