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1 July 2004 Accuracy and Efficiency of Different Techniques for Censusing Territorial Middle Spotted Woodpeckers Dendrocopos medius
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Abstract

The aim of the study was to test whether the methods using the playback technique produce accurate data of population size when compared to the standard mapping and nest-searching methods. The three-visit method with audio-stimulation was found to produce data of the same accuracy (100%, n = 11 territories) as the standard mapping method, but the nest-searching method and single-visit with audio-stimulation yielded slightly lower estimates, 91% and 82% respectively, in comparison to the previously mentioned methods. However, the three-visit method with audio-stimulation was 2.2 times less time consuming than the five visits which used the standard mapping method (9h vs 20h). The three-visit method with audio stimulation could be appropriate for assessing distribution and abundance, and also for monitoring purposes.

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Ziemowit Kosiński, Marcin Kempa, and Robert Hybsz "Accuracy and Efficiency of Different Techniques for Censusing Territorial Middle Spotted Woodpeckers Dendrocopos medius," Acta Ornithologica 39(1), 29-34, (1 July 2004). https://doi.org/10.3161/068.039.0108
Received: 1 March 2004; Accepted: 1 April 2004; Published: 1 July 2004
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