The caroni bird sanctuary renowned among ornithologists is a mangrove swamp covering an area of 40 square miles 103 square kilometers this 35 hour tour features a guided small group boat excursion through the swamp which reveals a multitude of birds including its most famous resident the scarlet ibis which is the national bird of trinidad this dramatic flame colored bird arrives each day around 5pm to feed at dusk and roost in the mangrove trees and the tour timed to witness its arriva