| 1. Bosque Lluvioso
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| Rainforest preserve and research station in Guapiles, Limon. Includes information on the organization, board of directors, membership and donations. |
| http://www.bosque-u.com |
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| 2. Costa Rican Amphibian Research Center
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| Biological research center dedicated to the conservation of Neotropical frogs and amphibians. Includes research and projects, a laboratory, a forest cabin for visitors, and nature guide services. Siquirres. |
| http://www.cramphibian.com |
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| 3. Mighty Rivers Eco-farm
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| Offers lodging at a family farm which produces gourmet ice cream. Information about the animals and natural feeding methods, and area tours of the Caribbean coast. |
| http://www.mightyrivers.net |
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| 4. Talamanca Discovery
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| A grassroots page devoted to eco-oriented small businesses, lodges, tours, adventures, and information. |
| http://www.greencoast.com |
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