Heard a couple of Cuckoos this morning; one along Nant Clywedog Uchaf and another a couple of km away on Waun Brynmeinog. Plenty of Redstarts (13) during 2 hr walk. I twice walked past a Pied Flycatcher in the extensive garden of a house performing the usual brief forays and flutters here and there. And then it flew off and just kept flying. Across the open valley to some trees about 500m away. It crossed my mind that I don't think I've ever seen one fly so far before, only flutter about.