8 votes
Accepted

Is dirty birdbath water worse than none at all?

I guess dirty water is better than no water. I don't think algae will kill them. The primary danger is parasites. Concrete cleaner is the easiest way to remove algae but be sure to rinse ...
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  • 7,097
7 votes

Do backyard birds prefer birdbaths with moving water?

I found a paper from Cornell Lab of Ornithology. Providing Water for Birds While it does mention the usage of a pump or circulating water, it doesn't suggest it to attract birds. However, it says: ...
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5 votes
Accepted

Do backyard birds prefer birdbaths with moving water?

I doubt there is a specific answer; I think different species have different preferences. In the Piney woods of east Texas , I have a couple traditional baths and a small pond with a 30 ft stream of ...
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  • 1,122
4 votes

What features should I look for in a free-standing heated birdbath for below zero temperatures?

A few months ago, in November, 2017, we purchased a heated bird bath which fulfills all the criteria and more! It's a common type, and is sold by retailers world-wide. As I write this, in January, we'...
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3 votes

Do backyard birds prefer birdbaths with moving water?

My experience is that birds prefer still water, even though it causes the need for more cleaning of a birdbath. I base my answer on much observation of our 2 acre pond at the bottom of my front yard. ...
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2 votes

How should I choose a submersible bird bath heater which is reliable and effective?

I would largely agree with the previous response. However, most bird bath heaters (a site I`m affiliated with) today do not get hot enough to melt plastic. If you have a plastic or resin bird bath, ...
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1 vote
Accepted

How should I choose a submersible bird bath heater which is reliable and effective?

Here's the way I would go about it: Firstly, don't worry about efficiency. Heaters by their nature are close to 100% efficient. All the energy is turned to heat. That said, thermostatically ...
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