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5 Dollars Bioko island; Osteodontornis
| Issuer | Equatorial Guinea |
|---|---|
| Year | 2021 |
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| Currency | Dollar |
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|---|---|
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| Reverse description | A detailed depiction of an Osteodontornis in full flight occupies the central field, shown in left profile with wings fully extended and its characteristic toothed beak open. The background features a landscape of coniferous trees, rocky outcroppings, a body of water, and a mountain range rendered in fine engraved lines. The genus name 'Osteodontornis' is inscribed in italic script along the upper rim. |
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| Mint | LSSDB "Topaz" (Lviv State Special Design Bureau "Topaz") (Львівське державне спеціальне конструкторське бюро "Топаз"), Ukraine (1973-now) |
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| Additional information |
Osteodontornis orri was a genuine giant — a bony-toothed bird with an estimated wingspan approaching 6 meters, making it one of the largest flying birds known from the fossil record. It hunted open ocean, likely snatching fish and squid at the surface, and persisted until roughly 2 million years ago. Equatorial Guinea has no particular paleontological connection to the species; Bioko Island attributions on these issues are largely a fiscal mechanism, with the territory lending its name to revenue-generating collector coins authorized centrally.