Early wildlife recordings
Phylloscopus trochilus : Willow Warbler - Sylviidae
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Willow Warbler song taken from disc 2 of Singing Birds of Laeken (Les Oiseaux Chanteurs de Laeken). Recordings were made by Ludwig Koch using the EMI van which visited two of Belgium's Royal Parks at Laeken and Bouchoult from March to June 1938.