main migration route of nordeastern european breaders (<i><a href="//commons.wikimedia.org/wiki/Ficedula_parva" title="Ficedula parva">Ficedula parva</a></i>)
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self-made after: Cezary Mitrus <i>et al.</i>: <i>First evidence of phenological change in a transcontinantal migrant overwintering in the Indian sub-continent: the Red breasted Flycatcher </i>Ficedula parva<i>. In: Ornis Fennica 82: 13-19 (2005)</i>