You're riding down the new bike trail that parallels the Elmore Road extension south of Tudor when suddenly you're startled out of your greenbelt reverie by the scream of some invisible raptor.
Will it swoop down and knock you off your bike? Scanning the green bog between you and an electric power station to the west, you see no sign of a hawk or eagle.
So you ride on.
A few days later, however, you're peddling down the same bike trail when the same bird of prey cries out at the very same place. So what's going on here? Another chapter in the Big Wild Life of Anchorage?
Not exactly. This time it's more like simulated life. In fact it's an amplified recording of a raptor (probably a peregrine falcon) that the Chugach Electric Association plays repeatedly at its substation there to scare away ravens.
Read the complete story at adn.com