Identifying inter-thermal glides from Social eavesdropping allows for a more risky gliding strategy by thermal-soaring birds
journal contributionposted on 19.10.2018 by Hannah J. Williams, Andrew J. King, Olivier Duriez, Luca Börger, Emily L. C. Shepard
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Glides were clearly identifiable as periods of straight flight and sustained altitude loss between bouts of circling behaviour (see Williams et al. 2015 for details). The circling is represented by a consistent sine-wave when the tri-axial magnetometry data is plotted against time. This indicates turning within the thermal updraft.