Were To Get a Winter Bird Bath Heater?

Q: Where to get a winter heater for water in bird bath?

A: You can find winter bird bath heaters here at BirdBaths.com: Winter Bird Bath Heaters. Their "Deluxe Bird Bath Heater" has received good reviews - easy to install, heavy-duty, keeps water ice-free, 250W, has a nice long 10-foot cord and has multiple temperature sensors.