Here are the Hartz classifications at the National Cage Bird Show.
Division 5 - Domestic Hartz Canaries
Section 1 - Domestic Hartz Plainhead
| Old | Young | |
|---|---|---|
| 01 | Yellow, clear or ticked | 02 |
| 03 | Buff, clear or ticked | 04 |
| 05 | White, clear or ticked | 06 |
| 07 | Yellow variegated | 08 |
| 09 | Buff variegated | 10 |
| 11 | White variegated | 12 |
| 13 | Cinnamon variegated | 14 |
| 15 | Fawn variegated | 16 |
| 17 | Green heavy variegated | 18 |
| 19 | Yellow Green, self or foul | 20 |
| 21 | Buff Green, self or foul | 22 |
| 23 | Cinnamon, self or foul | 24 |
| 25 | Fawn, self or foul | 26 |
| 27 | Blue, self or foul | 28 |
| 29 | Any other color | 30 |
Section 2 - Domestic Hartz Topknots
| Old | Young | |
|---|---|---|
| 01 | Clear body, clear crest | 02 |
| 03 | Clear body, dark or grizzle crest | 04 |
| 05 | White body, clear crest | 06 |
| 07 | White body, dark or grizzled crest | 08 |
| 09 | Yellow variegated | 10 |
| 11 | Buff variegated | 12 |
| 13 | White variegated | 14 |
| 15 | Cinnamon variegated | 16 |
| 17 | Fawn variegated | 18 |
| 19 | Green, self or foul | 20 |
| 21 | Cinnamon, self or foul | 22 |
| 23 | Fawn, self or foul | 24 |
| 25 | Blue, self or foul | 26 |
| 27 | Any other color | 28 |