They work fine, are easy to refill, and do not leak. Put them in my dishwasher, top rack. It's easy to see when it's time for a refill because the reservoir is clear plastic.

Product is not exactly what i wanted, but the humming birds love it. The design of the slits are genius to keep bees and other insects from reaching the nectar. The color yellow attracts bees so your product is better. I think the capacity is good for...  Read More

The birds prefer the feeders with a perch to rest while they drink. The built-in moat is great too.

These are cute but only plastic! There really are no “flowers”, just slits in the plastic to get the nectar out. I think hummers will eat out of these. Since the holes are to big, sparrows know to get on it, and get their tongues in the holes which ar...  Read More

Hard to refill. One of the two feeders arrived defective (the canister didn't screw into the top - it's too small) other types of birds land on it and tap at the plastic to no avail. I live where it's hot so any attempts to glue it will be futile.

They are within 10 feet of each other at the same height so it’s not a preference for the birds thing. Called amazon and was told the charge was corrected. Having issues of returning with code have to travel to far, not worth it.