What we think happened was that the birds landed on our fence, then touched the neighbors hot fence. The initial shock doesn't normally kill them, but will knock them out for a few moments. These guys didn't fall free from the hot fence, so the constant electrically flow going through them, killed them. What we will be doing to stop this, is donating our offset isolators to our neighbor. This way if another bird lands on our fence, it won't accidentally touch the electric fence.
I thought my children were bad, turns out that horses are just like them. Here they all are, attempting to remove one of the birds.
Earlier in the day, I saw the birds hanging in the distance. My thought pattern was that they were not wild birds, but my chicks. And that the person that had been stealing my adult birds had placed them there to say that no matter what we do, they can still get to our birds. Paranoia or too many horror novels?