Stopover Duration Analysis with Departure Probability Dependent on Unknown Time Since Arrival

  • Shirley Pledger
  • Murray Efford
  • Kenneth Pollock
  • Jaime Collazo
  • James Lyons
Part of the Environmental and Ecological Statistics book series (ENES, volume 3)


In stopover duration analysis for migratory birds, models with the probability of departure dependent upon time since arrival are useful if the birds are stopping over to replenish body fat. In capture–recapture studies, the exact time of arrival is not generally known, as a bird may not be captured soon after arrival, or it may not be captured at all. We present models which allow for the uncertain knowledge of arrival time, while providing estimates of the total number of birds stopping over, and the distribution and mean of true stopover times for the population.


Age-related survival Capture–recapture Jolly–Seber model Mark-recapture migratory birds residence time Schwarz–Arnason model Stopover duration Survival curve 


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Shirley Pledger
    • 1
  • Murray Efford
  • Kenneth Pollock
  • Jaime Collazo
  • James Lyons
  1. 1.School of Mathematics, Statistics and Computer ScienceVictoria University of WellingtonWellington 6140New Zealand

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