• Provisioning rates Preliminary provisioning rate of 0.37 feeds per chick hour
    (106 feeds / 288 chick.hours = 1.47 feeds per chick per 4 hours).
  • Feeding-trip duration in 2013 Preliminary data - 11 timed feeds out of a subset of 42 (26%). Mean duration of timed feeds = , median duration = 30m.
  • Parental attendance
  • Chick diet in 2013
  • Productivity There were 14 active sites and at least 3 regular sites. 10 sites produced chicks that either fledged, or were of fledging age (+15days old) when last seen. This gives a productivity of no more than 59%. Of these 10 chicks, at least 3 failed after 15 days, either through chick lost or post-fledging failure.
  • Pre-breeding attendance 2012-2013





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