@misc{Thielcke_Gerhard_(1931–2007)_An_1988,
 author={Thielcke, Gerhard (1931–2007)},
 volume={24},
 editor={Polska Akademia Nauk. Instytut Zoologii},
 number={1},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Acta Ornithologica},
 howpublished={online},
 year={1988},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={rus},
 language={pol},
 type={Text},
 title={An examination of tree creeper Certhia familiaris song for character displacement and vocal convergence on areas sympatric and allopatric with short-toed tree creeper Certhia brachydactyla},
 keywords={Eurasian Treecreeper, Common Treecreeper, Short-toed Treecreeper, Poland, evolution, allopatric species, allopatric, sympatric species, sympatric, treecreepers, birds, Certhia familiaris, Certhia brachydactyla, Certhiidae, Aves},
}