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Feeding ecology of Common Guillemots on Lundy
Feeding ecology of Common Guillemots on Lundy: parental attendance in 2010
Parental attendance on Lundy
St Philip's Stone 2010
Provisioning rates in 2010
Preliminary provisioning rate of
feeds per chick hour
(35 feeds / 100 chick.hours = 1.4 feeds per chick per 4 hours).
Feeding-trip duration in 2010
Preliminary data - 9 timed feeds out of 28 (
+-19%). Mean duration of timed feeds = 29m07s, median duration = 38m.
Chick diet in 2010
Productivity in 2010
There were at least 17 focal sites. 8 sites produced chicks that either fledged, or were of fledging age (+15days old) when last seen. This gives a productivity of no more than
Parental attendance of Common Guillemots during chick-rearing