Step 10: Add water

Pour some water into the moat.
I got tired of filling the ant moat on my hummingbird feeders--now I use petroleum jelly as an ant barrier.
I looked at that, but the problem with petroleum jelly is that if it gets on the feathers, it doesn't come off easily and may impede the bird's ability to fly or keep warm. The birds bounce around a lot when they fight over the feeders so it worried me.
You could put petroleum jelly on the inside of your ant moat. I imagine that would make getting contaminants on the bird's wings less of an actual issue.
Also, with the volume of this moat, it only needs to be topped up every week or so. Since the feeders get filled daily, it's not a big deal.
Really cool! :)

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