DSF field research has encompassed efforts in numerous countries, in addition to the United States. Much of that work comprises the documentation in book and film form of research being carried out by governments, other NGOs and individual ecologists working to sustain conservation, animal protection and population-related efforts. Countries and regions of recent focus have included the U.S. (California, Alaska, Montana and New York), Suriname, Brazil, Peru, Chile, Mexico, Portugal, England and Scotland, Holland, Austria, Poland, Madagascar, South Africa, Namibia, the United Arab Emirates, Yemen, Bahrain, India, Bhutan, Malaysia, Singapore, Thailand, Brunei, Indonesia and Japan. In addition, the Foundation has a long-term commitment to New Zealand and her native flora and fauna.