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Table 1 Definitions of flight types identified visually from time series plots

From: Can accelerometry be used to distinguish between flight types in soaring birds?

Flight type Definition
Flapping flight A series of flapping bouts (>3) in constant flapping flight seen mainly in the heave channel
Thermal soaring Increasing altitude; no flapping; circling behaviour seen in xy magnetometry channels
Slope soaring Increasing or maintaining altitude; no flapping; no clear circling pattern in xy magnetometry channels; rather irregular changes in direction
Gliding Decreasing altitude; no flapping; often associated with relatively little change in direction in magnetometry channels