Токо цейлонський Ocyceros gingalensis

Small hornbill with gray upperside and whitish underparts. Bill has no casque, and is pale in males, dark in females. In flight displays white outer tail and wingtips. Found in pairs and groups in forest and woodland, preferring drier areas. The only other hornbill in range, the larger Malabar Pied Hornbill, is black-and-white, and has a large casque on its bill. Song is an accelerating “kok-kok-kok” ending in a cackle; call a harsh “waa”.