These pages provide details of reference material to help you to identify different subjects. We have concentrated on groups of species that are easier to identify and for which there are readily-available books or other resources.
The following conventions have been used to show the target audience:
[Beg] – Beginner
[Adv] – Advanced
To view resources for the species that you are interested in click on the links below:
We welcome suggested additions to this list and intend that it will build up in its coverage and hence usefulness over time.