Description: English: Another sound of a Willow Warbler (Phylloscopus trochilus) in Southern Finland. Suomi: Pajulinnun (Phylloscopus trochilus) vieno hyyit-ääni. Date: 22 May 2007. Source: Own recording, recorded using a home-made parabolic microphone and a Sony MZ-N710 Minidisc walkman. Author: Oona Räisänen (Mysid).
Description: English: A Willow Warbler (Phylloscopus trochilus) singing in a birch tree in Southern Finland. Sonogram:. Date: 19 May 2007. Source: This file is lacking source information. Please edit this file's description and provide a source. Author: Oona Räisänen (Mysid).