Are Black Woodpecker ( Dryocopus martius) tree cavities in temperate Beech ( Fagus sylvatica) forests an answer to depredation risk?
| Autor: | Zahner, Volker1 volker.zahner@hswt.de, Bauer, Robert robert.bauer@gesis.org, Kaphegyi, Thomas2 thomas.kaphegyi@landespflege-freiburg.de |
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| Zdroj: | Journal of Ornithology. Oct2017, Vol. 158 Issue 4, p1073-1079. 7p. |
| Databáze: | Academic Search Ultimate |
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