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There are 22 sizes of bands (not including hummingbird bands) currently used in North American banding. Their approximate inside diameter and height is as follows:
For information on hard metal band sizes and ordering, click here.
| BAND SIZE |
INTERNAL DIAMETER |
HEIGHT OF BAND |
BAND TYPES* |
| Hummingbird | 1.27-1.52 mm | 1.6 mm | B |
| 0A | 2.0 mm | 5.5 mm | B |
| 0 | 2.11 mm | 5.5 mm | B |
| 1C | 2.3 mm | 5.5 mm | B |
| 1 | 2.38 mm | 5.5 mm | B |
| 1B | 2.6 mm | 5.5 mm | B |
| 1P** | 2.85 mm | 5.5 mm | B |
| 1A | 3.1 mm | 5.5 mm | B |
| 2 | 3.8 mm | 7.0 mm | B |
| 3 | 4.8 mm | 7.0 mm | B |
| 3B | 5.2 mm | 7.0 mm | B |
| 3A | 5.6 mm | 7.0 mm | B |
| 4 | 6.5 mm | 10.0 mm | B, L |
| 4 Short | 6.5 mm | 7.0 mm | B |
| 4A*** | 7.2 mm | 10.0 mm | B |
| 4A Short | 7.2 mm | 7.0 mm | B |
| 5 | 8.0 mm | 10.0 mm | B, L |
| 6 | 9.5 mm | 10.0 mm | B, L |
| 7A | 11.3 mm | 14.0 mm | B, L |
| 7A Short | 11.3 mm | 10.0 mm | B |
| 7B | 13.7 mm | 14.0 mm | B, L |
| 7B Short | 13.7 mm | 10.0 mm | B |
| 7D**** | 15.0 mm | 17.0 mm | L |
| 8 | 17.5 mm | 17.0 mm | B, L |
| 8A*** | 20.0 mm | 17.0 mm | B |
| 9 | 22.0 mm | 17.0 mm | B, L, R |
| 9C | 29.0 mm | 17.0 mm | B |
* B - Butt-end bands available; L - Lock-on bands available; R - Rivet bands
available
**Snowy Plover ONLY; no other species to be banded with this size.
***Butt-end bands ONLY; plus all bands hummingbird-3A.
****Lock-on ONLY; no butt-end bands available.
Species and Band Size List (Species Number, Alpha Code)
