How Much Water Should I Put in My Birdbath?

Depth of Water

• It can be dangerous for small birds to venture into water that is too deep for them. Birding expert Diane Porter of Birdwatching.com recommends shallow birdbaths with gently sloping edges, so birds can start on the outside edge and wade their way in. Porter also recommends making the deepest point of your birdbath no more than 3 inches. If your birdbath is quite deep, place a few stones in the center for birds to stand on. When you clean your birdbath, clean the stones too.

Moving Water

• Birds are attracted to moving water, whether it be dripping, spraying, rippling, flowing or bubbling. If possible, set up a birdbath with a circulating pump to create movement. Follow the manufacturer's instructions for how much water to use, as most fountains have a minimum water level that must be maintained when the pump is turned on. If you don't have a circulating pump, set up a still birdbath and keep it filled with fresh, clean water. Even if the water has no movement, birds will be attracted to it and appreciate having a spot to bathe, cool off and get a drink.

Placement

• Give some thought to where you'd like to place your birdbath. Porter recommends placing one beneath at least a few low-hanging branches, because they allow birds to escape quickly. A bird with wet feathers may not be able to take flight quickly, but can hop up onto overhanging branches to escape. If possible, place the birdbath within reach of a hose, so it will be convenient for you to fill and clean it.

Texture

• Porter recommends that backyard birdwatchers use birdbaths that have a somewhat rough texture on the bottom. According to Porter, birds like to feel secure in their footing, so birdbaths made of slippery, glazed ceramic are not the best choice. Concrete and resin usually have a slight roughness that provides a secure footing for birds.