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Gene Jarvis: Falkland Islands/Spectacled Porpoise Spectacled porpoises Phocoena dioptrica are found in the temperate and sub-Antarctic waters of the Southern Hemisphere. Although the distribution of spectacled porpoise in these waters is beleived to be circumpolar in nature, reliable sightings have only been made at these locations: Heard Island, Kerguelan Island, Macquarie Island, South Georgia, the Falkland Islands and Tierra del Fuego. Spectacled porpoises appear to prefer cold, open oceanic waters. Spectacled porpoises are uniform black on their dorsal and dorso-lateral surfaces which are separated from the lighter ventral and ventro-lateral surfaces by a distinct line. They have a black eye-patch which is usually outlined with white, providing the basis for their common name. The dorsal fins of spectacled porpoises are triangular in shape and are greatly enlarged in males. Males are, in general, larger than females. Very little is known about the ages of sexual maturity for this species; based on a very small sample size it has been estimated at around 4 years for males, and 2-3 years for females. Almost nothing is known about the food preferences of spectacled porpoises. This artwork was originally published on the Fleetwood® First Day Cover for the Falkland Islands Spectacled Porpoise stamp issued 1980. Artwork Copyright © 1980 Unicover Corporation. All Rights Reserved under United States and international copyright laws. You may not reproduce, distribute, transmit, or otherwise exploit the Artwork in any way. Images of the Artwork may be watermarked and/or digitally watermarked. Any sale of the physical original does not include or convey the Copyright or any right comprised in the copyright.
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