Hollow Base Bird Bath . This birdbath brings timeless beauty to any outdoor space. Combine an old tomato cage with a terracotta saucer to make an inexpensive bird bath for your backyard. Bird Baths from birdwatcherssupplyandgifts.com This square bird bath adds a stylish touch to any outdoor space. And for your yard,, we give you a bird bath pedestal. 1.3 best choice outdoor pedestal bird bath.