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The Oyster Bay National Wildlife Refuge on the north shore of Long Island consists of high quality marine habitats that support a variety of aquatic-dependent wildlife. The refuge's waters and marshes surround Sagamore Hill National Historic Site, home of Theodore Roosevelt - father of the National Wildlife Refuge System. Subtidal (underwater up to mean high tide line) habitats are abundant with marine invertebrates, shellfish and fish. Marine invertebrate and fish communities support a complex food web from waterfowl to fish-eating birds, to marine mammals. Waterfowl use of the Refuge peaks from October through April. Over 20,000 ducks have been documented on the refuge during one survey. Over 25 species of waterfowl, along with numerous other waterbirds, depend on Oyster Bay for survival. The most common marine mammals at the refuge are harbor seals - which have become more noticeable during recent years. Sea turtles and diamondback terrapins can also be sighted at the Refuge. New York State's only remaining commercial oyster farm operates on the refuge, producing 90% of the State's oyster harvest. ==References== *(Refuge profile ) *(Refuge website ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Oyster Bay National Wildlife Refuge」の詳細全文を読む スポンサード リンク
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