Mean time that both parents were at nest site was 19.58% (=16h26m50s/84h00m00s)

 Date          Chick-hours	Both adults     Both adults
                                at nest (time)  at nest (%)

15/06/10	14:00:00	02:24:16	17.17%
18/06/10	07:00:00	01:50:48	26.38%
21/06/10	21:00:00	03:52:06	18.42%
25/06/10	16:00:00	03:28:57	21.77%
28/06/10	16:00:00	03:28:26	21.71%
05/07/10	10:00:00	01:22:17	13.71%

2010    	84:00:00	16:26:50	19.58%



G100709B 07h17m - 08h09m

G100705C: 07h42m - 08h44m
G100705D: 08h50m - 09h50m

G100628C: 07h15m - 08h18m
G100628D: 08h22m - 09h22m

G100625C: 07h31m - 08h33m
G100625D: 08h37m - 09h37m

G100621D: 06h19m - 07h21m
G100621E: 07h25m - 08h28m
G100621F: 08h31m - 09h32m

G100618B: 07h56m - 08h58m

• St Philip's Stone 2010
• Provisioning rates in 2010 Preliminary provisioning rate of 0.35 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 (32%+-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 47%.
• Parental attendance of Common Guillemots during chick-rearing
• Common Guillemot
• Lundy