Text © Michael Heiß
Thanks to
Gerard Troost and trektellen.nl the data of a nocturnal bird migration study
from Besh Barmag bottleneck is now online available:
Displayed
are the number of calls per species for each night, where 'night' is defined as timespan from
sunset to sunrise. The temporal calling activity can be obtained by the ‘mouseover’
function of the table.
On the
basis of 1465 hours of sound recordings referring to 63 nights in autumn 2011
and 67 nights in spring 2012 (using a long-term recorder from WildlifeAcoustics) a total of 88’455 calls of 106 migrating species were detected.
The paper with
the title ‘Nocturnal bird migration at Besh Barmag bottleneck in Azerbaijan as
revealed by means of acoustic monitoring‘ is online available: https://doi.org/10.1017/S0959270917000454
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