Geoscience Australia - Christmas Island
- Information about the island's location, geology, reef formations, climate, mining and red crabs.
- http://www.ga.gov.au/education/facts/dimensions/externalterr/christma.htm

Birds of Christmas Island
- Photographs and descriptions for several native birds, and an annual calendar for bird breeding.
- http://www.christmas.net.au/parks/birds/birds_of_christmas_island.htm

Australia Announces Christmas Island Spaceport
- Article reporting the announcement of an Australian-funded space launch centre to be built on Christmas Island.
- http://www.space.com/missionlaunches/launches/aussie_spaceport_wg_010625.html

Red Crab - Gecarcoidea natalis
- Description, bulletins, diet, habitat, breeding, migration, and human impact information for the most populous crab species on Christmas Island.
- http://www.christmas.net.au/parks/crabs/index.htm

Christmas Island Hawk Owl - Ninox natalis
- Description, photographs, sounds, and habitat map of a rare species.
- http://owlpages.com/species/ninox/natalis/

Island Speleology
- Pictures of caves on Christmas Island, presented by the Western Australian Speleology Group.
- http://wasg.iinet.net.au/ci.html