- Fundación CBD-Habitat: www.cbd-habitat.com
- Serviço do Parque Natural da Madeira: www.pnm.pt
- Secretaria Regional do Ambiente e Recursos Naturais: www.sra.pt
- The European LIFE Programme: www.ec.europa.eu/environment/life
- The European Commission Directorate General for Nature: www.ec.europa.eu/environment/index_en.htm
- Nature and Biodiversity: www.ec.europa.eu/environment/nature/index_en.htm
- Natura 2000 viewer: www.natura2000.eea.europa.eu/#