An Extinction Elegy. Par TIN CHRISTOPHER. The Lost Birds is a musical memorial to bird species driven to extinction by humankind. Sweeping and elegaic, it's a haunting tribute to those soaring flocks that once filled our skies, but whose songs have since been silenced. It's a celebration of their feathered beauty: their symbolism as messengers of hope, peace, and renewal. But it's also a warning a…