Lulworth skipper their greatest since its discovery there. With a wingspan of 24 to 28 millimetres, females being larger than males, the Lulworth skipper is a small butterfly, the smallest member of the genus "Thymelicus" in Europe and among the smallest butterflies in Britain. Aside from the size difference, the sexes are distinguished by females having a distinct circle of golden marks on each forewing. Due to their likeness to the rays around the eye of a peacock's feather, these are often known as "sun-ray" markings, and they can faintly appear on males. The Lulworth skipper was first described by German entomologist
Coastal Skipper one candidate and 8 to 14 hours for two. Candidates are set tasks to demonstrate their ability as a Coastal Skipper and may be asked questions on any part of the syllabus for all practical and shorebased courses up to Coastal Skipper. This course assumes that the student has already studied navigation to Day Skipper Shorebased standard. This is an advanced course in navigation and meteorology for candidates for the Coastal Skipper and Yachtmaster Offshore Certificate. The course lasts about 40 hours. It may be taken continuously over several days, or as evening or several weekends, or by distance learning.