Common Chiffchaff hops between branches at top of tree in slow motion then flies away

common chiffchaff hops branches top tree slow motion then flies common chiffchaff phylloscopus collybita nature lauwersmeer wildlife netherlands animal wild branch green birdwatching wood songbird ornithology phylloscopus collybita natural fauna small background birds beautiful feather outdoor perching wing avian passeriformes bird watching migratory united kingdom animals warbler england yellow park spring