Data from: Connecting the dots: Stopover strategies of an intercontinental migratory songbird in the context of the annual cycle

Paxton KL, Moore FR

Date Published: July 24, 2017

DOI: https://doi.org/10.5061/dryad.5804c

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Title BAWW Data Set
Downloaded 1 time
Description Data was collected in the field. BirdID is the unique identifier of each black-and-white warbler that was sampled during the study. The study was conducted over 4 years (y1=2008, y2=2009, y3=2010, y4=2011). A bird's breeding destination (North=boreal forest of Canada, South=southeastern U.S.) is based on stable hydrogen isotope values of a bird's tail feather. The timing of migration (Early, Mid, Late) for each individual is based on the range of capture dates for each sex in a given breeding destination and in a given year. Blood plasma metabolite concentrations of triglycerides (TRIG) and β-hydroxy-butyrate (BOH) were collected via brachial vein puncture. A Principal Component Analysis was conducted on plasma metabolite levels and the 1st principal component axis (PC1) was used as a measure of refueling with positive values representing increasing TRIG levels and decreasing BOH levels. The time between blood sampling and sunrise (Day.Time) and capture time (Bleed.Time) were recorded to determine their influence on blood plasma metabolite values. Only a subset of birds captured had TRIG and BOH measurements and therefore some fields indicate NA because plasma metabolite data was not included in analyses. Stopover duration estimates (Stopover) were calculated with program MARK. Condition is a size-specific condition index value. Age and sex of the warbler are also included.
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At the request of the author, this item is embargoed until 2018-07-21

When using this data, please cite the original publication:

Paxton KL, Moore FR (2017) Connecting the dots: Stopover strategies of an intercontinental migratory songbird in the context of the annual cycle. Ecology and Evolution 7(17): 6716-6728. https://doi.org/10.1002/ece3.3227

Additionally, please cite the Dryad data package:

Paxton KL, Moore FR (2017) Data from: Connecting the dots: Stopover strategies of an intercontinental migratory songbird in the context of the annual cycle. Dryad Digital Repository. https://doi.org/10.5061/dryad.5804c
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