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Ivory-billed Woodpecker and Blue Jay kent comparisons at spectrogram level reveal differences

Williams, J. D.

2024-10-25 ecology
10.1101/2024.10.25.620249 bioRxiv
Show abstract

A representative audio file for Blue Jay (Cyanocitta cristata), that is thought to be most similar to suspected kent sounds of the Ivory-billed Woodpecker (Campephilus principalis), was examined at the spectrogram level. A total of 136 other Blue Jay files were looked at and compared to kents (n>200) from six Ivory-billed Woodpecker expeditions. At this precision, differences are seen such that these two species cannot be mistaken for each other.

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