1. Portland Bird Observatory in Dorset has a daily updated log of bird, cetacean and insect sightings and is a very good site for gauging butterfly and moth movements.

2. The National Biodiversity Network (NBN) has a very useful set of distribution maps for critical Butterfly and Moth species.

3. The Offwell Woodland and Wildlife Trust based at the Offwell Centre in East Devon has an excellent website covering a very wide range of educational activities and of animals and plants.

4. The national invertebrate charity BugLife provides very useful extra information on various aspects of the study of insects.

5. The Woodland Trust 'Nature Detectives' site will give you some good ideas.

6. For fantastic images of butterflies and moths and their life cycles - go to the ukleps website.

7. Link here to Butterfly Conservation's MothsCount website - an information sheet on Moth life-cycles.

8. Butterfly Conservation's website has further information about Butterfly and Moth migration in the MothsCount section - click here.

9.Analysis of data to show the link between the sahara duststorm of early February 2002 and the arrival of migrant spp.. links from and University of Athens website: http://forecast.uoa.gr/dustindx.php