| BBC Nature -- Harp Seal Fact sheet and photos.
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| Museum of Zoology -- Animal Diversity Web -- University of Michigan -- Harp Seal Fact Sheet, photos and information on communication and perception.
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| National Geographic -- Harp Seal Photos and multimedia audio, fact sheet.
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| Nature.ca -- Harp Seal Fact sheet, size, physical features and line drawings.
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| NOAA - Harp Seal Link to New England Aquarium for health analysis and link to Provincetown Center for Coastal Studies (Photos).
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| Pinnipeds.org -- Harp Seal Covers distribution, status and lifestyle. Great photos.
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| Provincetown Center for Coastal Studies -- ID of Harbor, Gray, Harp, Hooded and Ringed Seals Male and Female differences. Drawings and photos of seal heads.
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| Smithsonian Museum of Natural History - Harp Seal Basic fact sheet, distribution map, length, weight, photos.
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More Harp Seal Research Links
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