Pearson Education case studies - Go to this site and it will download a detailed document with information on all the topics
Uniting EarthWeb - Overview with links and video clip
Australian Tales - Overview of Australian animals including cane toads, camels and rabbits
National Geographic - Easy to understand introduction
Squidoo - Overview with links
Australian Government Policy on Cane Toads - Overview and pdf of policy.
Northwest Weeds - Prickly Pear History - This site clearly covers many of the points you need for your assignment.
Queensland Goverment - Prickly Pear - A clear table explains the impacts of the Prickly Pear
Weeds Australia - This site has a map of the current distribution of the Prickly Pear.
CSIRO - The European Rabbit - Overview with links.
NSW Government - Environment and Heritage - Overview with pdf fact sheet and links to other pests
ABC Science - Overview with links and video clip
Queensland Government - Camels - A clear table explains the impacts of the Camel
Queensland Government -Pest animal Risk Assessment - This PDF contains a map of their distribution
DLRM Feral Camel - This site contains trapping strategies
DPI : Pest Animals - This site has information on a range of pest animals including foxes.
Dept. of Environment - This site has downloads on the red fox and links to other pest animals.
Queensland Government - Fox - A clear table explains the impacts of the Fox
DLRM : European Red Fox - This site contains general information on the impact of Foxes