Small skipper Small skipper The small skipper ("Thymelicus sylvestris") is a butterfly of the family Hesperiidae. It has a rusty orange colour to the wings, upper body and the tips of the antennae. The body is silvery white below and it has a wingspan of 25–30 mm. This butterfly is very similar in appearance to the Essex skipper ("Thymelicus lineola"). In the small skipper, the undersides of the tips of the antennae are yellow orange, whereas they are black in the Essex skipper. The black area on the lower edge of the upper wings also differs. Like the other orange grass skippers
Lulworth Cove cove is where the weak clays and greensands have been eroded. At the back of the cove, the sea has been unable to erode the chalk as fast because chalk does not dissolve in the sea acids. The unique shape of the cove is a result of wave diffraction. The narrow entrance to the cove causes waves to bend into an arced shape, as is visible in the photograph below. Lulworth acts as a staircase to this part of the Jurassic Coast. As well as the cove, across Hambury Tout (the large chalk hill to the west) is Durdle Door,