Rank #49
Use a solar-powered bird bath.
This solar-powered bird bath is the perfect addition to any outdoor space. It is powered by the sun, so you don't have to worry about electricity bills or cords. The bird bath is made of durable materials and designed to last for years. The water is heated by the sun,
From Wikipedia
A bird bath is an artificial puddle or small shallow pond, created with a water-filled basin, in which birds may drink, bathe, and cool themselves. A bird bath can be a garden ornament, small reflecting pool, outdoor sculpture, and also can be a part of creating a vital wildlife garden.