a reed warbler, acrocephalus scirpaceus, perching on a reed growing at the edge of a lake in spring.

acrocephalus animal background beak beautiful bed bill bird birds birdwatching britain british brown edge environment essex eurasian europe fauna feather feathers focus growing habitat isolated lake marsh migration natural nature ornithology outdoor passerine perched perching pond reed scirpaceus selective small songbird spring springtime warbler water waters wetland wild wildlife wing