U S A
| År | Utgivare | Art | Anmärkning |
|---|---|---|---|
| 1996 | USPS | Thick-billed parrot | Endangered species Postage-paid postcards |
| " | " | Brown pelican | " |
| " | " | California condor | " |
| " | " | Piping plover | " |
| 1997 | USPS | Cardinal Honeyeater | Postage-paid postcards |
| " | " | Green-throated Carib | " |
| " | " | Antillean Euphonia | " |
| " | " | Crested Honeycreeper | " |
