| Australian Museum online | A comprehensive site for Australian natural history |
| Scribblygum - The ABC's Natural History site | A dynamic site with regular features on Australian natural history events. |
| Brisbane Rainforest Action & Information Network | An excellent source of photos and information for Brisbane's flora. |
| Birds Australia | Birds Australia is a society concerned with preservation of Australian birds |
| World Wildlife Australia | WWF - Finding solutions to the key challenges facing our natural environment today |
| Graeme Chapman | Graeme Chapman - Natural History Photographer & Ornithologist |
| The Australian Bush Heritage Fund | Preserving Australia's biodiversity by protecting the bush |
| The Royal Geographical Society of Queensland | Promoting Geography throughout the Community |
| Stockroutes Coalition | SOS - Save Our Stockroutes. Information and news |
| Fasifern Field Naturalists Club | Fasifern Field Naturalists Club |
| Field Naturalists Club of Victoria Inc. | Field Naturalists Club of Victoria |
| Society for Growing Australian Plants(Qld) | a wealth of information and activities to people interested in Australian native plants |
| N.T. Field Naturalists Club Inc | NT Field Naturalists Club - Promoting study and conservation of NT flora & fauna |
| The Western Australian Naturalists' Club | The Western Australian Naturalists' Club |
| Field Naturalists Society of SA | Field Naturalists Society of SA |
| The Western Australian Naturalists' Club | The Western Australian Naturalists' Club |
| Tasmanian Field Naturalists Club | Tasmanian Field Naturalists Club |
| ReefGuardian International | Reefkeeper organisation dedicated to preservation of marine coral reefs of the world |
| Red List of threatened species | International Union for Conservation of Nature and Natural Resources List of Threatened Species |
| Invasive Species Council | Devoted to describing the invading animals, plants and insects |
| Wikipedia | A very up to date encyclopedia |
| Wikispecies | New project - An open, free directory of species. |
| Atlas of the Human Journey Nat Geograpic & IBM | Explores early human migration and deep ancestry via genetic markers . |
| Microscopy - UK Microscope Club | Microscopy - UK Microscope Club |
| Institute for the promotion of less than one millimeter | Under one Millimeter Club |