Get your NatureWatch Program off on the right foot. Loads of material that will save you days/months of work. See what has been done before you re-invent the wheel. A must!
NOTE: Some of the files below are large, so a high speed internet connection is recommended. File size is noted at the end of the description (a size in "kb" is small file under 1 megabyte, and "mb" denotes larger file size in megabytes).