There is proof of a Eurasian River Warblers (Locustella fluviatilis) around Idstein in the Taunus region about 40 km north from Frankfurt city center. The area is called the “Hintertaunus”. According to a report in
Images of birds for science & public; Western Palaearctic & the World
There is proof of a Eurasian River Warblers (Locustella fluviatilis) around Idstein in the Taunus region about 40 km north from Frankfurt city center. The area is called the “Hintertaunus”. According to a report in