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</html><thumbnail_url>https://www.vogelwarte.ch/wp-content/uploads/2026/03/3870_1.jpg</thumbnail_url><thumbnail_width>1600</thumbnail_width><thumbnail_height>1200</thumbnail_height><description>In Switzerland, two forms of Willow Tits occur: The &#x201C;Alpine Tit&#x201D; inhabits mountain forests, the Willow Tit inhabits the Jura Mountains and the Swiss lowlands. In the field, both types can practically only be distinguished from each other by their song. Like the Crested Tit, the Willow Tit usually excavates its own nest cavity in rotten wood and makes do with relatively thin tree trunks. It is a resident and is seen only occasionally outside its breeding area.</description></oembed>
