See also:

• Arts: Photography: Techniques and Styles: Nature and Wildlife Photography  (24)
• Recreation: Travel: Specialty Travel: Science  (11)
• Science: Biology: Ecology: Wildlife Ecology and Management  (69)
• Science: Biology: Zoology  (782)

• Basecamp Explorer - Showcases worldwide destinations and philosophy. Includes terms and conditions, and contact details.
• Crooked Trails - Non-profit, community-based travel organization promoting study tours, and village-based cultural exchanges with indigenous peoples in South America, Asia, and Kenya.
• Cross Cultural Journeys - Offers travel opportunities for individuals and groups seeking personal and global awareness.
• Discovery Initiatives - London agency offers unique holidays, including walking the wilderness trail and wildlife conservation programs.
• Dolphin Charters - Rates and schedules for small group wildlife and photography cruises in southeast Alaska, California, Baja, British Columbia, Mexico, the Galapagos and San Francisco.
• DreamWeaver Travel Company - Presents itineraries, guidelines, and travel ethics for guided tours to West Africa and South America.
• Earth Routes - Provides worldwide destination and project information with links to travel advisories and home exchange opportunities.
• Ecotourism Activity Guide - Information on ecotourism with links to associated activities and organizations.
• Ecotourism at Conservation International - Presents listings of organisations and destinations worldwide.
• Ecotravel.com - On-line magazine with directory of operators, lodges, private guides, organizations, and ancillary travel services..
• EcoVentures Nature Tours and Travel - Offering guided small group tours and customized tours for individual travelers.
• Ecovolunteer - Offer opportunities to help local wildlife organizations with nature protection programs. Information about the organization, destinations, projects and conditions of participation.
• Ecovolunteer - Information for travellers volunteering to participate in environmental projects worldwide.
• Environmental Adventure Company - Itineraries and guide profiles for wildlife and cultural travel experiences in North and South America.
• Footloose Forays - Selection of small group educational trips into the natural world, from day trips to three week adventures.
• Green Travel Network - Yahoo groups forum with focus on sustainable tourism.
• Greentours Natural History Holidays - UK based company offers worldwide natural history tours.
• Hosking Tours - Details and itineraries for photographic tours and safaris to a range of destinations.
• International Wildlife Adventures - Offering trips around the world to observe and photograph wildlife including polar bears. Led by professional photographers and naturalists.
• Journeys International, Inc. - With more than 300 eco-trips to 45 worldwide destinations for nature and culture explorations.
• Kalahari Management Inc. - Information and consultancy for the ecotourism industry.
• La Hesperia - Volunteer working programs at La Hesperia biological station and cloudforest reserve in central Ecuador. Includes requirements and conditions, rates, FAQ, and program details.
• Manaca Ecotravel - Offers worldwide tours. Includes destination details with ecological assessment ratings.
• Moloney Hand-Built Trips - Personally guided wildlife expedtions worlwide.
• Naturetrek - Selection of international tours, treks and cruises guided by British naturalists.
• New Jersey Audubon Society - Information on North American and International Eco-tours focused on birds and other wildlife.
• One World Journeys - Offering expeditions dedicated to connecting people with the planet. Includes schedules, past journeys, and environmental articles.
• Planeta.com - Virtual library archiving more than 8,000 pages about ecotourism and conservation. Includes contacts and bibliographies.
• Reef and Rainforest - Offers educational family adventure holidays worldwide.
• ResponsibleTravel - Ethical travel resource providing information about the environmental impact of tourism, respect for local cultures and laws, photography, and banned souvenirs.
• Sustainable Travel International - Non-profit organization that supports and promotes ecotourism, through education and outreach. Includes employment opportunities and programs.
• Tours of Exploration - Offers soft adventure, birdwatching, wildlife viewing, natural history, culture, and ecotourism programs worldwide
• Voyage of the Wanderbird - Operates long distance sailing cruises that provide informal education and interactive wildlife research projects.
• Wildspace Expeditions - Personalised Indian and African wildlife tours catering to small private groups.
• WildWatch Tours - Offer escorted wildlife and photographic tours. Includes destination information, guide profile, and enquiry form.
• World Primate Safaris - Presents destination and accommodation options, suggested itineraries, terms and conditions, and contact details.
• Worlds Together Travel Network - Immersion travel and cultural opportunities in Jamaica, Dominica Republic, Belize, and Egypt. Includes destination information and trip reports.