Sedge warbler (Acrocephalus schoenobaenus)
Rietzanger -
Sedge warbler (Acrocephalus schoenobaenus). Zouweboezem, Holland. Canon EOS RP & Canon EF 100-400mm f/4.5-5.6L IS II USM + Canon Extender EF 1.4x II @560 mm. ©Jeroen Vorstman.