Three common teals (krickor) at Hof, lake Tåkern, Östergötland, listening (?) to a Great Reed Warbler (trastsångare), a Great Bittern (rördrom, twice) and a European Reed Warbler (rörsångare, faint, at the end). Evening of June 17, 2013. Camera: Canon XL-H1A with Canon FD 100-300 mm, sound: Telinga Pro 5 with stereo DAT mic, some noise filtering. See also: Great Bittern sound