The Trumpet Manucode , Manucodia keraudrenii is a medium-sized , approximately 31cm long , bird of paradise with an elongated horn-like head tufts and loose neck feathers .

The Trumpet Manucode -LRB- Manucodia keraudrenii -RRB- is a medium-sized bird of paradise about 31cm long with an long horn-like head tufts and loose neck feathers .
