Cicadabird wing-shuffling

Here's something that puzzles me. I have read in field guides that Cicadabirds do not shuffle their wings like other Cuckoo-shrikes do. And now I can consult HANZB online I find this statement: 'Do not shuffle wings on alighting as other cuckoo-shrikes.' I wouldn't say I see this species regularly, but I saw it a few … Read more