a pretty reed warbler, acrocephalus scirpaceus, perching on a branch of a willow tree.

acrocephalus animal avian background beak beautiful beauty bill bird birdwatching blue branch brown color cute environment europe fauna feather feathers green lake marsh natural nature one ornithology outdoor perched perching photography portrait pretty reed scirpaceus single small summer tree warbler water wetland white wild wildlife willow wing wings yellow