Scarlet-rumped Caciques (Cacicus uropygialis) are usually black-rumped, as the scarlet feathers are normally hidden away. Their calls are characteristically quavering. (Costa Rica)
Scarlet-rumped Cacique (Cacicus uropygialis). In this example, the singer "called in" another Scarlet-rumped Cacique, who gave the second group of calls and they flew off together, at El Pizote (Costa Rica).
