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    • Behaviour, ecology and recruitment of immature guillemots 'Uria aalge' 

      Halley, Duncan (University of St Andrews, 1993) - Thesis
      Guillemots have been studied on the Isle of May since 1980. Between 184 and 581 individually identifiable birds were ringed as chicks each year since 1983. Cumulative known survival rates varied from 14-39% for cohorts at ...