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Open Access

Correction

Correction: Can Nocturnal Flight Calls of the Migrating Songbird, American Redstart, Encode Sexual Dimorphism and Individual Identity?

  • Emily T. Griffiths,
  • Sara C. Keen,
  • Michael Lanzone,
  • Andrew Farnsworth

Figure legends for Figs 2–4 are incorrectly aligned. Please view the correct Figs 2–4 and legends here.

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Fig 2. Similarity matrix generated by calculating random forest distance between quantitative features measured from flight calls.

Birds are labeled by the bird band assigned given to the bird when the recording was made at the Powdermill bird banding station (S4 Table). The individual pixels in the matrix represent the pairwise similarity values between the 180 flight calls, and the dark grid lines between pixels separate the calls from different individuals (N = 36 individuals, with 5 calls from each). Darker pixels indicate higher pairwise similarity.

https://doi.org/10.1371/journal.pone.0160596.g001

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Fig 3. 2-D Principal Coordinate Analysis (PCoA) plot based on extracted feature measurements showing multivariate homogeneity of group dispersions between all calls (N = 180), with 99% confidence ellipse based on the standard errors of the axis score averages.

Birds are labeled by the bird band assigned given to the bird when the recording was made at the Powdermill bird banding station (S4 Table). The individual pixels in the matrix represent the pairwise similarity values between the 180 flight calls, and the dark grid lines between pixels separate the calls from different individuals (N = 36 individuals, with 5 calls from each). Darker pixels indicate higher pairwise similarity.

https://doi.org/10.1371/journal.pone.0160596.g002

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Fig 4. 2-D Principal Coordinate Analysis (PCoA) plot based on extracted feature measurements showing multivariate homogeneity of group dispersions between all calls (N = 180), with 99% confidence ellipse based on the standard errors of the axis score averages.

Calls from the same variant class are plotted in relation to their centroids. Differences between classes were shown to be statistically significant (MANOVA; F = 4.51, R2 = 0.086, p < 0.001). Two orthogonal axes summarize the variability in the data set. Note: The M centroid is behind the V centroid, but has the large confidence ellipse.

https://doi.org/10.1371/journal.pone.0160596.g003

Reference

  1. 1. Griffiths ET, Keen SC, Lanzone M, Farnsworth A (2016) Can Nocturnal Flight Calls of the Migrating Songbird, American Redstart, Encode Sexual Dimorphism and Individual Identity? PLoS ONE 11(6): e0156578. pmid:27284697

Citation: Griffiths ET, Keen SC, Lanzone M, Farnsworth A (2016) Correction: Can Nocturnal Flight Calls of the Migrating Songbird, American Redstart, Encode Sexual Dimorphism and Individual Identity? PLoS ONE 11(7): e0160596. https://doi.org/10.1371/journal.pone.0160596

Published: July 29, 2016

Copyright: © 2016 Griffiths et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.