Winners , Ridgefield National Wildlife Refuge Photo Contest . 獲獎者， Ridgefield 國家野生動物保護攝影大賽。

Pro Photo Supply Blog - - Oregon's Photography, Video and Imaging Source - Portland OR Camera Store
http://blog.prophotosupply.com/
Wildlife Photo Gallery Ridgefield National Wildlife Refuge, Friends of Ridgefield, Washington State NWR, National Wildlife Refuge, Birding
http://www.ridgefieldfriends.org/Gallery/2008/WildlifePhotoGallery-2008Gen.htm
Friends of the Ridgefield National Wildlife Refuge, Washington State NWR, National Wildlife Refuge, Birding
http://www.ridgefieldfriends.org/photo-contest-2011.php

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