 Its voice is sharp and high-pitched with "tit tit tit" call.Rising and falling series of high-pitched "tu tutu ti ti ti".Shelley's crimsonwing inhabits the closed-canopy moist forest, often in lush valley bottoms near water, as well as low secondary growth at forest edges, forest clearings and glades dominated by large herbs, bamboo thickets and the upper forest/moorland ecotone.