| Ref # | Date of Issue |
Common Name |
Scientific Name |
| H01a | 1997 | Gray Crowned-Crane | Balearica regulorum |
| H01b | " | Brown Pelican | Pelecanus occidentalis |
| H01c | " | Great Hornbill | Buceros bicornis |
| H01d | " | Red-billed Toucan | Ramphastos tucanus |
| H02a-d | 1998 |
(in the margin) |
. Parus major Parus caruleus Parus cyanus |
| H03a | 1998 | Whooping Crane | Grus americana |
| H03b | " | Whimbrel | Numenius phaeopus |
| H03c | " | Sandhill Crane | Grus canadensis |
| H03d | " | Clapper Rail | Rattus longirostris |
| H04a | 1999 | Unidentified Owl | . |
| H04b | " | Barn Owl | Tyto alba |
| H04c | " | Unidentified Owl | . |
| H04d | " | Great Gray Owl | Strix nebulosa |
| H04e | " | Eurasian Pygmy Owl | Glaucidium passerinum |
| H04f | " | Unidentified Owl | . |
| OPH01 | 1995 | Unidentified | . |