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Table 1.

Search phase echolocation call parameters measured from Eptesicus bottae

Eptesicus bottae
NMeans.d.
Duration (ms) 143 6.9 1.32 
Peak frequency (kHz) 143 32.5 0.87 
Bandwidth (kHz) 134 8.7 1.75 
Pulse interval (ms) 134 155.6 61 
1st peak in intervals 90 (67%) 118.7  
Eptesicus bottae
NMeans.d.
Duration (ms) 143 6.9 1.32 
Peak frequency (kHz) 143 32.5 0.87 
Bandwidth (kHz) 134 8.7 1.75 
Pulse interval (ms) 134 155.6 61 
1st peak in intervals 90 (67%) 118.7  

N, number of calls; s.d., standard deviation; 1st peak in intervals = the total number and percentage of all calls in the first peak of the frequency histogram of pulse intervals, i.e. calls that are emitted with one call per wing beat.

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