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Includes sites of resources to assist boatbuilders and yacht designers.

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Mitch Heindel's Miscellaneous Matters

http://www.angelfire.com/ca5/pelagics/

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Bird Forum

http://www.birdforum.net/

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The Spruce - Birding and Wild Bird Care

https://www.thespruce.com/birding-and-wild-birds-4127712

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International Migratory Bird Day

http://www.birdday.org/

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