Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Text
  • fig. S1. Map of Alaska (inset) and TLFS with approximate locations of acoustic recording units.
  • fig. S2. Performance of supervised and unsupervised classification approaches.
  • fig. S3. Songbird community vocal activity estimated by supervised and unsupervised approaches near IMVT.
  • fig. S4. Songbird community vocal activity estimated by supervised and unsupervised approaches near ROMO.
  • fig. S5. Songbird community vocal activity estimated by supervised and unsupervised approaches near SDOT.
  • fig. S6. Comparison of the VAI to linear model predictions using only environmental covariates found to be statistically significant.
  • fig. S7. Threshold sensitivity of arrival date estimates from supervised approach.

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