Seasonal resighting histories of adult Eurasian spoonbills

The datafile contains seasonal resighting histories of 538 adult Eurasian spoonbills that breed in the Netherlands or Germany and winter in France, Iberia or Mauritania, resighted between October 2005 and September 2012. Resighting periods are defined as October-December and January-March in an individual's wintering area and April-June and July-September in the breeding areas in The Netherlands and Germany. The resighting history of an individual starts with the first resighting as an adult (3rd winter or older) in its wintering region, being France, Iberia or Mauritania (and indicated in the column "group" of the datafile). Further details can be found in the Supplementary Material associated with the manuscript

text files

Data are provided for: Fig. 2 panels a (avgHUdfs10.txt) and b (vigilance_largescale.txt): vigilance as a function of distance from shore; Fig. 3: Number of individuals that were observed in nearshore dangerous and offshore safe habitat, shown for the 40 m (ch.knots.40m.txt ) and 500 m (ch.knots.500m.txt) danger zone boundaries; for the Multi-state mark-recapture analyses with use of the RMark package, including fig. 4(cr.knots.May2015.txt

vanGils_Fig2_Arctic_climate

This file contains annual data on high-Arctic climate data (also presented in Table S1)

vanGils_Fig4_resighting_history

This file contains the resighting history of 690 juvenile and 1691 adult red knot caught in Mauritania

vanGils_Fig3A_Mauritania_stable_isotopes

This file contains the stable isotope data on 676 juvenile and 1664 adult red knots at their wintering site Banc d'Arguin (Mauritania)

vanGils_Fig3B_Mauritania_prey_depth

This file contains the prey depth distributions estimated for the three food types in Mauritania

vanGils_Fig2_Polish_biometry

This file contains the biometry measured on juvenile red knots caught in Gdańsk Bay

Data manipulation high-Arctic climate

This R script handles the data on high-Arctic climate with respect to temperature, NDVI and snow

Individual encounter histories of bar-tailed godwits, great knots and red knots during 3 seasons

The datafile contains the encounter histories of 821 bar-tailed godwits (Limosa lapponica menzbieri), 1064 great knots (Calidris tenuirostris) and 709 red knots (Calidris canutus, primarily of the subspecies piersmai) that were individually marked and resighted at their primary non-breeding area Roebuck Bay (North-West Australia) between December 2005 and June 2013. All birds were caught using cannon-netting, individually marked with 4 coloured bands and a flag and instantly released. Resightings occurred throughout the non-breeding season. To allow the estimation of survival during three seasons of the year, the captures and resightings were pooled into three periods: Jul-Oct, Nov-Feb, Mar-Jun. The median dates of resightings during these three periods, rounded to the 1st of the month, were 1 Oct, 1 Jan and 1 Apr, hence the intervals over which survival rates were estimated were approximately 3, 3 and 6 months. The encounter histories start with the period in which the individual was captured and individually marked. Each row in the datafile represents one individual, and the three columns represent the encounter history (ch), where individuals are either seen (1) or not seen (0) during a particular period, the age of the bird when it was first captured and individually marked (age_at_ringing), distinguishing first-year (1) and older (2) birds, and the species (species), where BTG=bar-tailed godwit, GK=great knot and RK=red knot

Individual encounter histories of red knots during 4 seasons

The datafile contains the encounter histories of 348 individually marked adult red knots (Calidris canutus, primarily of the subspecies piersmai) that were resighted at their primary non-breeding area Roebuck Bay and during spring stopover, in Bohai Bay (China) between May 2009 and April 2013. All birds were caught in Roebuck Bay using cannon-netting, individually marked with 4 coloured bands and a flag and instantly released. To estimate survival during four seasons, the resightings were pooled into four periods: Jul-Oct, Nov-Feb and Mar-Apr in Roebuck Bay and April-June in Bohai Bay (China). The median dates of resightings during these four periods, rounded to the 1st of the month, were 1 Oct, 1 Jan, 1 Apr and 15 May, hence the intervals over which survival rates were estimated were approximately 3, 3, 1.5 and 4.5 months. The encounter histories start with the first sighting of an individual at spring stopover in Bohai Bay. In subsequent resighting periods, the individual can either be seen (1) or not seen (0)