Biography
Erwin Tretzel
Real name: Prof. Dr. Erwin Tretzel
German ornithologist and field recordist (* 28 May 1920 in Kaltenbrunn, Bavaria, German Empire; † 28 April 2001 in Kaiserslautern, Germany).0:00
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Real name: Prof. Dr. Erwin Tretzel
German ornithologist and field recordist (* 28 May 1920 in Kaltenbrunn, Bavaria, German Empire; † 28 April 2001 in Kaiserslautern, Germany).