The yellow "trigger" is too low in the cup so when they peck at it, they get very little water. This made it really hard to train them. I tried to take them apart to see if the design could be improved on, but it looks like the trigger is intended to be that low in the cup. Weird.
Had I known, I would have bought the ones with the float in them.
Had I known, I would have bought the ones with the float in them.