This large habitat may be used by adult butterflies as shelter from the elements, for roosting at night or as a nursery for the developing Chrysalis. The roof is safely painted an evergreen shade, the front is a darker natural wood tone.Put the house no higher than 5 feet in a sheltered place near flowers and flowering plants with a water source such as a birdbath or mud puddle nearby. Place 3-4 overlapping pieces of tree bark secured with small nails inside. The left side swings open for easy cleaning, is normally held in place by a loosely fitted nail.