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Morten Frederiksen

Measuring neck collar loss of Pink-footed Geese Anser brachyrhynchus

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The ability to estimate mark loss of ringed animals is important to assess demographic parameters from mark-recapture studies correctly. Based on 23 years of neck collar recovery data from the Svalbard breeding population of Pink-footed Geese, we estimate an overall average annual loss rate of 3.2%. Neck collar loss was similar between males and females, and did not (based on currently available data) differ significantly between two types of collars used.
Original languageEnglish
JournalBird Study
Pages (from-to)137-140
Number of pages4
Publication statusPublished - 2015

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