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TRAFFIC NOISE DECREASES BODY CONDITION AND STOPOVER EFFICIENCY OF MIGRATING SONGBIRDS

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Figure

Figure 1 Background Sound Levels. h LEQ) during periods when speakers were turned on at our study site in the Boise Foothills in southwestern Idaho from early August through early October 2012 and 2013
Figure 2  Body Condition Index. Global Model estimate values of BCI vs. dB(A). Estimates are for all captures combined, with species as a random intercept
Figure 3  Stopover Efficiency. Global Model estimate values of stopover efficiency for the control site when the road was off (dB(A) 42), control site with road on (dB(A) 43), phantom road with noise turned off (dB(A) 40), and the phantom road with the noi
Figure 4 White-crowned Sparrow Foraging and Vigilance. White-crowned sparrows foraging in traffic noise at 61 and 55 dB(A) had reduced foraging rates (a) and
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