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Over-winter ecology and relative density of Canada Warbler Cardellina canadensis in Colombia: the basis for defining conservation priorities for a sharply declining long-distance migrant – CORRIGENDUM

Published online by Cambridge University Press:  20 July 2020

LAURA N. CÉSPEDES  and
NICHOLAS J. BAYLY
LAURA N. CÉSPEDES
Affiliation:
SELVA: Investigación para la Conservación en el Neotrópico, Bogotá D.C., Colombia. Laboratorio de Biología Evolutiva de Vertebrados, Universidad de los Andes, Bogotá D.C., Colombia.
NICHOLAS J. BAYLY
Affiliation:
SELVA: Investigación para la Conservación en el Neotrópico, Bogotá D.C., Colombia.
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Abstract

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Type
Corrigendum
Information
Bird Conservation International , Volume 31 , Issue 1 , March 2021 , pp. 166 - 167
Copyright
© BirdLife International, 2020

In the above article, the incorrect versions of figures 2 and 3 were published. The correct versions of these figures are shown below. The qualitative message of the paper has not changed, however, there are differences in the absolute values of densities and in the variation around predicted values (SE is higher in the original published version).

Figure 2. Relative density of Canada Warblers in forest peaked at intermediate elevations (around 1,500 m asl). A) Predicted densities across elevations obtained after averaging the four top models, two describing a quadratic and two a polynomial relationship with elevation. Dotted lines represent the standard error of predicted values (±SE). Predictions were made for mature forest in the Eastern Andes B) Percentage of points in mature forest at which Canada Warblers were detected by elevation band.

Figure 3. Mature forest held the highest relative density of Canada Warblers in contrast to secondary growth, forest edges, and shade coffee. Error bars denote standard error of predicted values (± SE). Predictions were made for the Eastern Andes and keeping elevation constant at the mean.

The authors apologise for this error.

References

Céspedes, L. N. and Bayly, N. J. (2018) Over-winter ecology and relative density of Canada Warbler Cardellina canadensis in Colombia: the basis for defining conservation priorities for a sharply declining long-distance migrant. Bird Conserv. Internatn 29(2): 232–248.CrossRefGoogle Scholar
Figure 0

Figure 2. Relative density of Canada Warblers in forest peaked at intermediate elevations (around 1,500 m asl). A) Predicted densities across elevations obtained after averaging the four top models, two describing a quadratic and two a polynomial relationship with elevation. Dotted lines represent the standard error of predicted values (±SE). Predictions were made for mature forest in the Eastern Andes B) Percentage of points in mature forest at which Canada Warblers were detected by elevation band.

Figure 1

Figure 3. Mature forest held the highest relative density of Canada Warblers in contrast to secondary growth, forest edges, and shade coffee. Error bars denote standard error of predicted values (± SE). Predictions were made for the Eastern Andes and keeping elevation constant at the mean.