Uruguay
Design error: Polyborus mis-spelled "Plyborus"
Now classified as Caracara plancus.
Now classified as Caracara plancus.
| Country: | Uruguay |
| Type: | Postage stamps |
| Series: | Birds 1998 |
| Nominal: | 6 $ |
| Year: | 1998 |
| Perforation: | comb 12 |
| Mintage: | 35,000 |
