Maintenance man makes unusual discovery at substation

      A maintenance man was making routine maintenance when he made an unusual discovery: a nest of bird's waiting for their next meal.The maintenance man's unusual find in an electrical substation is making some serious noise on social media sites. He was making general maintenance last week when he found a nest full of young and very hungry birds.YouTube user Wirenutt57 posted the video that shows the nest of birds safely tucked into a substation pulsing with 115,000 volts. The video was posted Friday, June 13, and racked up 900,000 page views in just a few days.The part that has everyone squawking is the end. Click play to see what happens when the man approaches the nest.