This mug features beautifully illustrated drawings of wrens by dutch artist Elwin Van der Kolk. The mug includes two  different illusrations of a wren, and can be found on either side of the mug,  This mug is one of a set of 8. The set includes different birds you might find in your garden. Elwin van der Kolk, the Dutch biologist and nature painter, was fascinated by the natural world around him from an early age, and a large part of his childhood was spent watching and drawing birds. In his work he tries to capture nature in a way that encourages the viewer to both admire and protect our precious wildlife.